Home / 15,140,985.40-22,711,478.10-13,971,815.20

Finding the Fourth Proportional to 15,140,985.40, 22,711,478.10 and 13,971,815.20

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Solution

The fourth proportional to 15,140,985.40, 22,711,478.10 and 13,971,815.20 is: 20,957,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,140,985.40 : 22,711,478.10 = 13,971,815.20 : x
  2. Step 2: Convert to fraction form
    15,140,985.40/22,711,478.10 = 13,971,815.20/x
  3. Step 3: Cross multiply
    15,140,985.40x = 22,711,478.10 × 13,971,815.20
  4. Step 4: Simplify right side
    15,140,985.40x = 317,320,574,932,047.12
  5. Step 5: Solve for x
    x = 317,320,574,932,047.12/15,140,985.40
  6. Step 6: Final answer
    x = 20,957,722.80

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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.