Home / 39,866,490.04-59,789,781.46-12,947,844.28

Finding the Fourth Proportional to 39,866,490.04, 59,789,781.46 and 12,947,844.28

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Solution

The fourth proportional to 39,866,490.04, 59,789,781.46 and 12,947,844.28 is: 19,418,533.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,866,490.04 : 59,789,781.46 = 12,947,844.28 : x
  2. Step 2: Convert to fraction form
    39,866,490.04/59,789,781.46 = 12,947,844.28/x
  3. Step 3: Cross multiply
    39,866,490.04x = 59,789,781.46 × 12,947,844.28
  4. Step 4: Simplify right side
    39,866,490.04x = 774,148,779,879,311
  5. Step 5: Solve for x
    x = 774,148,779,879,311/39,866,490.04
  6. Step 6: Final answer
    x = 19,418,533.69

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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.