Home / 19,331,685.70-28,996,872.45-4,954,894.45

Finding the Fourth Proportional to 19,331,685.70, 28,996,872.45 and 4,954,894.45

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Solution

The fourth proportional to 19,331,685.70, 28,996,872.45 and 4,954,894.45 is: 7,432,173.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331,685.70 : 28,996,872.45 = 4,954,894.45 : x
  2. Step 2: Convert to fraction form
    19,331,685.70/28,996,872.45 = 4,954,894.45/x
  3. Step 3: Cross multiply
    19,331,685.70x = 28,996,872.45 × 4,954,894.45
  4. Step 4: Simplify right side
    19,331,685.70x = 143,676,442,369,862.91
  5. Step 5: Solve for x
    x = 143,676,442,369,862.91/19,331,685.70
  6. Step 6: Final answer
    x = 7,432,173.51

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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.