Home / 9,038,755.28-13,606,998.80-8,234,309.76

Finding the Fourth Proportional to 9,038,755.28, 13,606,998.80 and 8,234,309.76

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Solution

The fourth proportional to 9,038,755.28, 13,606,998.80 and 8,234,309.76 is: 12,395,981.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,038,755.28 : 13,606,998.80 = 8,234,309.76 : x
  2. Step 2: Convert to fraction form
    9,038,755.28/13,606,998.80 = 8,234,309.76/x
  3. Step 3: Cross multiply
    9,038,755.28x = 13,606,998.80 × 8,234,309.76
  4. Step 4: Simplify right side
    9,038,755.28x = 112,044,243,023,148.30
  5. Step 5: Solve for x
    x = 112,044,243,023,148.30/9,038,755.28
  6. Step 6: Final answer
    x = 12,395,981.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.