Home / 10,423,628.20-15,602,264.70-7,437,644.20

Finding the Fourth Proportional to 10,423,628.20, 15,602,264.70 and 7,437,644.20

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Solution

The fourth proportional to 10,423,628.20, 15,602,264.70 and 7,437,644.20 is: 11,132,792.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,423,628.20 : 15,602,264.70 = 7,437,644.20 : x
  2. Step 2: Convert to fraction form
    10,423,628.20/15,602,264.70 = 7,437,644.20/x
  3. Step 3: Cross multiply
    10,423,628.20x = 15,602,264.70 × 7,437,644.20
  4. Step 4: Simplify right side
    10,423,628.20x = 116,044,093,552,819.73
  5. Step 5: Solve for x
    x = 116,044,093,552,819.73/10,423,628.20
  6. Step 6: Final answer
    x = 11,132,792.86

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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.