Home / 20,736,107.40-31,104,161.10-5,591,569.80

Finding the Fourth Proportional to 20,736,107.40, 31,104,161.10 and 5,591,569.80

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Solution

The fourth proportional to 20,736,107.40, 31,104,161.10 and 5,591,569.80 is: 8,387,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,107.40 : 31,104,161.10 = 5,591,569.80 : x
  2. Step 2: Convert to fraction form
    20,736,107.40/31,104,161.10 = 5,591,569.80/x
  3. Step 3: Cross multiply
    20,736,107.40x = 31,104,161.10 × 5,591,569.80
  4. Step 4: Simplify right side
    20,736,107.40x = 173,921,087,861,094.78
  5. Step 5: Solve for x
    x = 173,921,087,861,094.78/20,736,107.40
  6. Step 6: Final answer
    x = 8,387,354.70

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1.5x scale

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.