Home / 19,680,135.90-29,495,320.65-17,540,180.70

Finding the Fourth Proportional to 19,680,135.90, 29,495,320.65 and 17,540,180.70

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Solution

The fourth proportional to 19,680,135.90, 29,495,320.65 and 17,540,180.70 is: 26,288,093.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,680,135.90 : 29,495,320.65 = 17,540,180.70 : x
  2. Step 2: Convert to fraction form
    19,680,135.90/29,495,320.65 = 17,540,180.70/x
  3. Step 3: Cross multiply
    19,680,135.90x = 29,495,320.65 × 17,540,180.70
  4. Step 4: Simplify right side
    19,680,135.90x = 517,353,254,005,441.44
  5. Step 5: Solve for x
    x = 517,353,254,005,441.44/19,680,135.90
  6. Step 6: Final answer
    x = 26,288,093.57

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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.