Home / 19,331,686.20-28,996,873.20-4,954,894.95

Finding the Fourth Proportional to 19,331,686.20, 28,996,873.20 and 4,954,894.95

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Solution

The fourth proportional to 19,331,686.20, 28,996,873.20 and 4,954,894.95 is: 7,432,174.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331,686.20 : 28,996,873.20 = 4,954,894.95 : x
  2. Step 2: Convert to fraction form
    19,331,686.20/28,996,873.20 = 4,954,894.95/x
  3. Step 3: Cross multiply
    19,331,686.20x = 28,996,873.20 × 4,954,894.95
  4. Step 4: Simplify right side
    19,331,686.20x = 143,676,460,584,470.34
  5. Step 5: Solve for x
    x = 143,676,460,584,470.34/19,331,686.20
  6. Step 6: Final answer
    x = 7,432,174.26

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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.