Home / 10,501,655.20-15,731,471.20-8,346,317.52

Finding the Fourth Proportional to 10,501,655.20, 15,731,471.20 and 8,346,317.52

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Solution

The fourth proportional to 10,501,655.20, 15,731,471.20 and 8,346,317.52 is: 12,502,777.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,501,655.20 : 15,731,471.20 = 8,346,317.52 : x
  2. Step 2: Convert to fraction form
    10,501,655.20/15,731,471.20 = 8,346,317.52/x
  3. Step 3: Cross multiply
    10,501,655.20x = 15,731,471.20 × 8,346,317.52
  4. Step 4: Simplify right side
    10,501,655.20x = 131,299,853,691,935.41
  5. Step 5: Solve for x
    x = 131,299,853,691,935.41/10,501,655.20
  6. Step 6: Final answer
    x = 12,502,777.06

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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.