Home / 15,140,941.40-22,711,412.10-13,971,771.20

Finding the Fourth Proportional to 15,140,941.40, 22,711,412.10 and 13,971,771.20

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Solution

The fourth proportional to 15,140,941.40, 22,711,412.10 and 13,971,771.20 is: 20,957,656.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,140,941.40 : 22,711,412.10 = 13,971,771.20 : x
  2. Step 2: Convert to fraction form
    15,140,941.40/22,711,412.10 = 13,971,771.20/x
  3. Step 3: Cross multiply
    15,140,941.40x = 22,711,412.10 × 13,971,771.20
  4. Step 4: Simplify right side
    15,140,941.40x = 317,318,653,490,111.50
  5. Step 5: Solve for x
    x = 317,318,653,490,111.50/15,140,941.40
  6. Step 6: Final answer
    x = 20,957,656.80

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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.