Home / 40,697,387.60-61,046,081.40-15,133,107.20

Finding the Fourth Proportional to 40,697,387.60, 61,046,081.40 and 15,133,107.20

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Solution

The fourth proportional to 40,697,387.60, 61,046,081.40 and 15,133,107.20 is: 22,699,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,697,387.60 : 61,046,081.40 = 15,133,107.20 : x
  2. Step 2: Convert to fraction form
    40,697,387.60/61,046,081.40 = 15,133,107.20/x
  3. Step 3: Cross multiply
    40,697,387.60x = 61,046,081.40 × 15,133,107.20
  4. Step 4: Simplify right side
    40,697,387.60x = 923,816,893,966,126
  5. Step 5: Solve for x
    x = 923,816,893,966,126/40,697,387.60
  6. Step 6: Final answer
    x = 22,699,660.80

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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.