Home / 16,128,981.70-24,193,472.55-13,105,672.90

Finding the Fourth Proportional to 16,128,981.70, 24,193,472.55 and 13,105,672.90

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Solution

The fourth proportional to 16,128,981.70, 24,193,472.55 and 13,105,672.90 is: 19,658,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128,981.70 : 24,193,472.55 = 13,105,672.90 : x
  2. Step 2: Convert to fraction form
    16,128,981.70/24,193,472.55 = 13,105,672.90/x
  3. Step 3: Cross multiply
    16,128,981.70x = 24,193,472.55 × 13,105,672.90
  4. Step 4: Simplify right side
    16,128,981.70x = 317,071,737,555,428.94
  5. Step 5: Solve for x
    x = 317,071,737,555,428.94/16,128,981.70
  6. Step 6: Final answer
    x = 19,658,509.35

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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.