Home / 10,207,752.60-15,311,628.90-9,428,305.80

Finding the Fourth Proportional to 10,207,752.60, 15,311,628.90 and 9,428,305.80

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Solution

The fourth proportional to 10,207,752.60, 15,311,628.90 and 9,428,305.80 is: 14,142,458.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207,752.60 : 15,311,628.90 = 9,428,305.80 : x
  2. Step 2: Convert to fraction form
    10,207,752.60/15,311,628.90 = 9,428,305.80/x
  3. Step 3: Cross multiply
    10,207,752.60x = 15,311,628.90 × 9,428,305.80
  4. Step 4: Simplify right side
    10,207,752.60x = 144,362,719,565,317.62
  5. Step 5: Solve for x
    x = 144,362,719,565,317.62/10,207,752.60
  6. Step 6: Final answer
    x = 14,142,458.70

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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.