Home / 13,251,822.85-19,878,178.79-3,666,398.59

Finding the Fourth Proportional to 13,251,822.85, 19,878,178.79 and 3,666,398.59

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Solution

The fourth proportional to 13,251,822.85, 19,878,178.79 and 3,666,398.59 is: 5,499,720.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251,822.85 : 19,878,178.79 = 3,666,398.59 : x
  2. Step 2: Convert to fraction form
    13,251,822.85/19,878,178.79 = 3,666,398.59/x
  3. Step 3: Cross multiply
    13,251,822.85x = 19,878,178.79 × 3,666,398.59
  4. Step 4: Simplify right side
    13,251,822.85x = 72,881,326,687,423.91
  5. Step 5: Solve for x
    x = 72,881,326,687,423.91/13,251,822.85
  6. Step 6: Final answer
    x = 5,499,720.87

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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.