Home / 14,655,956.76-20,227,641.30-8,131,685.40

Finding the Fourth Proportional to 14,655,956.76, 20,227,641.30 and 8,131,685.40

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Solution

The fourth proportional to 14,655,956.76, 20,227,641.30 and 8,131,685.40 is: 11,223,069.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,655,956.76 : 20,227,641.30 = 8,131,685.40 : x
  2. Step 2: Convert to fraction form
    14,655,956.76/20,227,641.30 = 8,131,685.40/x
  3. Step 3: Cross multiply
    14,655,956.76x = 20,227,641.30 × 8,131,685.40
  4. Step 4: Simplify right side
    14,655,956.76x = 164,484,815,435,647.03
  5. Step 5: Solve for x
    x = 164,484,815,435,647.03/14,655,956.76
  6. Step 6: Final answer
    x = 11,223,069.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.