Home / 42,624,005.10-63,936,007.65-38,509,982.70

Finding the Fourth Proportional to 42,624,005.10, 63,936,007.65 and 38,509,982.70

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Solution

The fourth proportional to 42,624,005.10, 63,936,007.65 and 38,509,982.70 is: 57,764,974.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,624,005.10 : 63,936,007.65 = 38,509,982.70 : x
  2. Step 2: Convert to fraction form
    42,624,005.10/63,936,007.65 = 38,509,982.70/x
  3. Step 3: Cross multiply
    42,624,005.10x = 63,936,007.65 × 38,509,982.70
  4. Step 4: Simplify right side
    42,624,005.10x = 2,462,174,548,508,568
  5. Step 5: Solve for x
    x = 2,462,174,548,508,568/42,624,005.10
  6. Step 6: Final answer
    x = 57,764,974.05

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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.