Home / 12,487,064.16-18,732,382-3,851,893.92

Finding the Fourth Proportional to 12,487,064.16, 18,732,382 and 3,851,893.92

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Solution

The fourth proportional to 12,487,064.16, 18,732,382 and 3,851,893.92 is: 5,778,391.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,487,064.16 : 18,732,382 = 3,851,893.92 : x
  2. Step 2: Convert to fraction form
    12,487,064.16/18,732,382 = 3,851,893.92/x
  3. Step 3: Cross multiply
    12,487,064.16x = 18,732,382 × 3,851,893.92
  4. Step 4: Simplify right side
    12,487,064.16x = 72,155,148,332,917.44
  5. Step 5: Solve for x
    x = 72,155,148,332,917.44/12,487,064.16
  6. Step 6: Final answer
    x = 5,778,391.73

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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.