Home / 20,406,229.60-30,609,344.40-14,036,130.40

Finding the Fourth Proportional to 20,406,229.60, 30,609,344.40 and 14,036,130.40

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Solution

The fourth proportional to 20,406,229.60, 30,609,344.40 and 14,036,130.40 is: 21,054,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,406,229.60 : 30,609,344.40 = 14,036,130.40 : x
  2. Step 2: Convert to fraction form
    20,406,229.60/30,609,344.40 = 14,036,130.40/x
  3. Step 3: Cross multiply
    20,406,229.60x = 30,609,344.40 × 14,036,130.40
  4. Step 4: Simplify right side
    20,406,229.60x = 429,636,749,456,909.75
  5. Step 5: Solve for x
    x = 429,636,749,456,909.75/20,406,229.60
  6. Step 6: Final answer
    x = 21,054,195.60

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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.