Home / 10,778,020.10-16,167,030.15-9,998,573.30

Finding the Fourth Proportional to 10,778,020.10, 16,167,030.15 and 9,998,573.30

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Solution

The fourth proportional to 10,778,020.10, 16,167,030.15 and 9,998,573.30 is: 14,997,859.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,020.10 : 16,167,030.15 = 9,998,573.30 : x
  2. Step 2: Convert to fraction form
    10,778,020.10/16,167,030.15 = 9,998,573.30/x
  3. Step 3: Cross multiply
    10,778,020.10x = 16,167,030.15 × 9,998,573.30
  4. Step 4: Simplify right side
    10,778,020.10x = 161,647,235,998,085
  5. Step 5: Solve for x
    x = 161,647,235,998,085/10,778,020.10
  6. Step 6: Final answer
    x = 14,997,859.95

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Double scale
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Similar ratio
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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.