Home / 13,495,902.80-20,221,458.36-9,498,416.72

Finding the Fourth Proportional to 13,495,902.80, 20,221,458.36 and 9,498,416.72

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Solution

The fourth proportional to 13,495,902.80, 20,221,458.36 and 9,498,416.72 is: 14,231,862.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495,902.80 : 20,221,458.36 = 9,498,416.72 : x
  2. Step 2: Convert to fraction form
    13,495,902.80/20,221,458.36 = 9,498,416.72/x
  3. Step 3: Cross multiply
    13,495,902.80x = 20,221,458.36 × 9,498,416.72
  4. Step 4: Simplify right side
    13,495,902.80x = 192,071,838,189,407.78
  5. Step 5: Solve for x
    x = 192,071,838,189,407.78/13,495,902.80
  6. Step 6: Final answer
    x = 14,231,862.89

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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.