Home / 19,103,981.28-26,363,264.40-10,402,151.20

Finding the Fourth Proportional to 19,103,981.28, 26,363,264.40 and 10,402,151.20

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Solution

The fourth proportional to 19,103,981.28, 26,363,264.40 and 10,402,151.20 is: 14,354,843.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,103,981.28 : 26,363,264.40 = 10,402,151.20 : x
  2. Step 2: Convert to fraction form
    19,103,981.28/26,363,264.40 = 10,402,151.20/x
  3. Step 3: Cross multiply
    19,103,981.28x = 26,363,264.40 × 10,402,151.20
  4. Step 4: Simplify right side
    19,103,981.28x = 274,234,662,414,377.25
  5. Step 5: Solve for x
    x = 274,234,662,414,377.25/19,103,981.28
  6. Step 6: Final answer
    x = 14,354,843.55

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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.