Home / 7,528,991.20-11,293,486.80-6,395,250.40

Finding the Fourth Proportional to 7,528,991.20, 11,293,486.80 and 6,395,250.40

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Solution

The fourth proportional to 7,528,991.20, 11,293,486.80 and 6,395,250.40 is: 9,592,875.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528,991.20 : 11,293,486.80 = 6,395,250.40 : x
  2. Step 2: Convert to fraction form
    7,528,991.20/11,293,486.80 = 6,395,250.40/x
  3. Step 3: Cross multiply
    7,528,991.20x = 11,293,486.80 × 6,395,250.40
  4. Step 4: Simplify right side
    7,528,991.20x = 72,224,675,975,094.73
  5. Step 5: Solve for x
    x = 72,224,675,975,094.73/7,528,991.20
  6. Step 6: Final answer
    x = 9,592,875.60

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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.