Home / 19,157,079.10-28,735,618.65-15,755,856.70

Finding the Fourth Proportional to 19,157,079.10, 28,735,618.65 and 15,755,856.70

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Solution

The fourth proportional to 19,157,079.10, 28,735,618.65 and 15,755,856.70 is: 23,633,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157,079.10 : 28,735,618.65 = 15,755,856.70 : x
  2. Step 2: Convert to fraction form
    19,157,079.10/28,735,618.65 = 15,755,856.70/x
  3. Step 3: Cross multiply
    19,157,079.10x = 28,735,618.65 × 15,755,856.70
  4. Step 4: Simplify right side
    19,157,079.10x = 452,754,289,635,247.44
  5. Step 5: Solve for x
    x = 452,754,289,635,247.44/19,157,079.10
  6. Step 6: Final answer
    x = 23,633,785.05

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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.