Home / 12,827,560.29-19,242,238.50-5,151,204.87

Finding the Fourth Proportional to 12,827,560.29, 19,242,238.50 and 5,151,204.87

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Solution

The fourth proportional to 12,827,560.29, 19,242,238.50 and 5,151,204.87 is: 7,727,167.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,827,560.29 : 19,242,238.50 = 5,151,204.87 : x
  2. Step 2: Convert to fraction form
    12,827,560.29/19,242,238.50 = 5,151,204.87/x
  3. Step 3: Cross multiply
    12,827,560.29x = 19,242,238.50 × 5,151,204.87
  4. Step 4: Simplify right side
    12,827,560.29x = 99,120,712,670,901.50
  5. Step 5: Solve for x
    x = 99,120,712,670,901.50/12,827,560.29
  6. Step 6: Final answer
    x = 7,727,167.94

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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.