Home / 42,624,124.40-63,862,703.40-19,858,329.20

Finding the Fourth Proportional to 42,624,124.40, 63,862,703.40 and 19,858,329.20

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Solution

The fourth proportional to 42,624,124.40, 63,862,703.40 and 19,858,329.20 is: 29,753,258.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,624,124.40 : 63,862,703.40 = 19,858,329.20 : x
  2. Step 2: Convert to fraction form
    42,624,124.40/63,862,703.40 = 19,858,329.20/x
  3. Step 3: Cross multiply
    42,624,124.40x = 63,862,703.40 × 19,858,329.20
  4. Step 4: Simplify right side
    42,624,124.40x = 1,268,206,587,719,159.25
  5. Step 5: Solve for x
    x = 1,268,206,587,719,159.25/42,624,124.40
  6. Step 6: Final answer
    x = 29,753,258.41

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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.