Home / 15,994,656.62-22,072,077.15-9,121,350.86

Finding the Fourth Proportional to 15,994,656.62, 22,072,077.15 and 9,121,350.86

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Solution

The fourth proportional to 15,994,656.62, 22,072,077.15 and 9,121,350.86 is: 12,587,151.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,994,656.62 : 22,072,077.15 = 9,121,350.86 : x
  2. Step 2: Convert to fraction form
    15,994,656.62/22,072,077.15 = 9,121,350.86/x
  3. Step 3: Cross multiply
    15,994,656.62x = 22,072,077.15 × 9,121,350.86
  4. Step 4: Simplify right side
    15,994,656.62x = 201,327,159,894,138.81
  5. Step 5: Solve for x
    x = 201,327,159,894,138.81/15,994,656.62
  6. Step 6: Final answer
    x = 12,587,151.11

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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.