Home / 14,359,315.20-21,538,972.80-8,690,611.20

Finding the Fourth Proportional to 14,359,315.20, 21,538,972.80 and 8,690,611.20

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Solution

The fourth proportional to 14,359,315.20, 21,538,972.80 and 8,690,611.20 is: 13,035,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359,315.20 : 21,538,972.80 = 8,690,611.20 : x
  2. Step 2: Convert to fraction form
    14,359,315.20/21,538,972.80 = 8,690,611.20/x
  3. Step 3: Cross multiply
    14,359,315.20x = 21,538,972.80 × 8,690,611.20
  4. Step 4: Simplify right side
    14,359,315.20x = 187,186,838,252,175.34
  5. Step 5: Solve for x
    x = 187,186,838,252,175.34/14,359,315.20
  6. Step 6: Final answer
    x = 13,035,916.80

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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.