Home / 15,604,623.86-21,535,217.97-8,728,695.86

Finding the Fourth Proportional to 15,604,623.86, 21,535,217.97 and 8,728,695.86

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Solution

The fourth proportional to 15,604,623.86, 21,535,217.97 and 8,728,695.86 is: 12,046,068.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604,623.86 : 21,535,217.97 = 8,728,695.86 : x
  2. Step 2: Convert to fraction form
    15,604,623.86/21,535,217.97 = 8,728,695.86/x
  3. Step 3: Cross multiply
    15,604,623.86x = 21,535,217.97 × 8,728,695.86
  4. Step 4: Simplify right side
    15,604,623.86x = 187,974,367,938,936.59
  5. Step 5: Solve for x
    x = 187,974,367,938,936.59/15,604,623.86
  6. Step 6: Final answer
    x = 12,046,068.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.