Home / 10,515,998.80-15,773,998.20-10,374,281.20

Finding the Fourth Proportional to 10,515,998.80, 15,773,998.20 and 10,374,281.20

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Solution

The fourth proportional to 10,515,998.80, 15,773,998.20 and 10,374,281.20 is: 15,561,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515,998.80 : 15,773,998.20 = 10,374,281.20 : x
  2. Step 2: Convert to fraction form
    10,515,998.80/15,773,998.20 = 10,374,281.20/x
  3. Step 3: Cross multiply
    10,515,998.80x = 15,773,998.20 × 10,374,281.20
  4. Step 4: Simplify right side
    10,515,998.80x = 163,643,892,975,093.81
  5. Step 5: Solve for x
    x = 163,643,892,975,093.81/10,515,998.80
  6. Step 6: Final answer
    x = 15,561,421.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.