Home / 20,412,452.52-28,130,426.28-14,601,144.60

Finding the Fourth Proportional to 20,412,452.52, 28,130,426.28 and 14,601,144.60

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Solution

The fourth proportional to 20,412,452.52, 28,130,426.28 and 14,601,144.60 is: 20,121,855.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,412,452.52 : 28,130,426.28 = 14,601,144.60 : x
  2. Step 2: Convert to fraction form
    20,412,452.52/28,130,426.28 = 14,601,144.60/x
  3. Step 3: Cross multiply
    20,412,452.52x = 28,130,426.28 × 14,601,144.60
  4. Step 4: Simplify right side
    20,412,452.52x = 410,736,421,773,920.12
  5. Step 5: Solve for x
    x = 410,736,421,773,920.12/20,412,452.52
  6. Step 6: Final answer
    x = 20,121,855.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.