Home / 12,592,710.66-18,892,364.87-3,956,462.21

Finding the Fourth Proportional to 12,592,710.66, 18,892,364.87 and 3,956,462.21

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Solution

The fourth proportional to 12,592,710.66, 18,892,364.87 and 3,956,462.21 is: 5,935,729.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,592,710.66 : 18,892,364.87 = 3,956,462.21 : x
  2. Step 2: Convert to fraction form
    12,592,710.66/18,892,364.87 = 3,956,462.21/x
  3. Step 3: Cross multiply
    12,592,710.66x = 18,892,364.87 × 3,956,462.21
  4. Step 4: Simplify right side
    12,592,710.66x = 74,746,927,722,808.62
  5. Step 5: Solve for x
    x = 74,746,927,722,808.62/12,592,710.66
  6. Step 6: Final answer
    x = 5,935,729.78

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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.