Home / 10,207,952.20-15,311,928.30-9,428,505.40

Finding the Fourth Proportional to 10,207,952.20, 15,311,928.30 and 9,428,505.40

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Solution

The fourth proportional to 10,207,952.20, 15,311,928.30 and 9,428,505.40 is: 14,142,758.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207,952.20 : 15,311,928.30 = 9,428,505.40 : x
  2. Step 2: Convert to fraction form
    10,207,952.20/15,311,928.30 = 9,428,505.40/x
  3. Step 3: Cross multiply
    10,207,952.20x = 15,311,928.30 × 9,428,505.40
  4. Step 4: Simplify right side
    10,207,952.20x = 144,368,598,660,962.84
  5. Step 5: Solve for x
    x = 144,368,598,660,962.84/10,207,952.20
  6. Step 6: Final answer
    x = 14,142,758.10

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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.