Home / 8,507,721.12-12,754,408.32-3,711,892.80

Finding the Fourth Proportional to 8,507,721.12, 12,754,408.32 and 3,711,892.80

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Solution

The fourth proportional to 8,507,721.12, 12,754,408.32 and 3,711,892.80 is: 5,564,709.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507,721.12 : 12,754,408.32 = 3,711,892.80 : x
  2. Step 2: Convert to fraction form
    8,507,721.12/12,754,408.32 = 3,711,892.80/x
  3. Step 3: Cross multiply
    8,507,721.12x = 12,754,408.32 × 3,711,892.80
  4. Step 4: Simplify right side
    8,507,721.12x = 47,342,996,411,268.09
  5. Step 5: Solve for x
    x = 47,342,996,411,268.09/8,507,721.12
  6. Step 6: Final answer
    x = 5,564,709.48

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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.