Home / 15,981,133.70-22,056,124.48-9,013,242.38

Finding the Fourth Proportional to 15,981,133.70, 22,056,124.48 and 9,013,242.38

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Solution

The fourth proportional to 15,981,133.70, 22,056,124.48 and 9,013,242.38 is: 12,439,492.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981,133.70 : 22,056,124.48 = 9,013,242.38 : x
  2. Step 2: Convert to fraction form
    15,981,133.70/22,056,124.48 = 9,013,242.38/x
  3. Step 3: Cross multiply
    15,981,133.70x = 22,056,124.48 × 9,013,242.38
  4. Step 4: Simplify right side
    15,981,133.70x = 198,797,195,768,877.72
  5. Step 5: Solve for x
    x = 198,797,195,768,877.72/15,981,133.70
  6. Step 6: Final answer
    x = 12,439,492.69

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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.