Home / 15,746,695.06-21,730,899.78-9,219,713.86

Finding the Fourth Proportional to 15,746,695.06, 21,730,899.78 and 9,219,713.86

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Solution

The fourth proportional to 15,746,695.06, 21,730,899.78 and 9,219,713.86 is: 12,723,474.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,746,695.06 : 21,730,899.78 = 9,219,713.86 : x
  2. Step 2: Convert to fraction form
    15,746,695.06/21,730,899.78 = 9,219,713.86/x
  3. Step 3: Cross multiply
    15,746,695.06x = 21,730,899.78 × 9,219,713.86
  4. Step 4: Simplify right side
    15,746,695.06x = 200,352,677,891,936.94
  5. Step 5: Solve for x
    x = 200,352,677,891,936.94/15,746,695.06
  6. Step 6: Final answer
    x = 12,723,474.81

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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.