Home / 42,626,642.40-63,939,963.60-15,696,799.20

Finding the Fourth Proportional to 42,626,642.40, 63,939,963.60 and 15,696,799.20

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Solution

The fourth proportional to 42,626,642.40, 63,939,963.60 and 15,696,799.20 is: 23,545,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,626,642.40 : 63,939,963.60 = 15,696,799.20 : x
  2. Step 2: Convert to fraction form
    42,626,642.40/63,939,963.60 = 15,696,799.20/x
  3. Step 3: Cross multiply
    42,626,642.40x = 63,939,963.60 × 15,696,799.20
  4. Step 4: Simplify right side
    42,626,642.40x = 1,003,652,769,484,509.12
  5. Step 5: Solve for x
    x = 1,003,652,769,484,509.12/42,626,642.40
  6. Step 6: Final answer
    x = 23,545,198.80

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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.