Home / 40,712,004.80-61,068,007.20-13,785,660.80

Finding the Fourth Proportional to 40,712,004.80, 61,068,007.20 and 13,785,660.80

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Solution

The fourth proportional to 40,712,004.80, 61,068,007.20 and 13,785,660.80 is: 20,678,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,712,004.80 : 61,068,007.20 = 13,785,660.80 : x
  2. Step 2: Convert to fraction form
    40,712,004.80/61,068,007.20 = 13,785,660.80/x
  3. Step 3: Cross multiply
    40,712,004.80x = 61,068,007.20 × 13,785,660.80
  4. Step 4: Simplify right side
    40,712,004.80x = 841,862,832,991,157.88
  5. Step 5: Solve for x
    x = 841,862,832,991,157.88/40,712,004.80
  6. Step 6: Final answer
    x = 20,678,491.20

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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.