Home / 20,212,897.60-30,319,346.40-17,024,251.60

Finding the Fourth Proportional to 20,212,897.60, 30,319,346.40 and 17,024,251.60

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Solution

The fourth proportional to 20,212,897.60, 30,319,346.40 and 17,024,251.60 is: 25,536,377.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212,897.60 : 30,319,346.40 = 17,024,251.60 : x
  2. Step 2: Convert to fraction form
    20,212,897.60/30,319,346.40 = 17,024,251.60/x
  3. Step 3: Cross multiply
    20,212,897.60x = 30,319,346.40 × 17,024,251.60
  4. Step 4: Simplify right side
    20,212,897.60x = 516,164,181,461,154.25
  5. Step 5: Solve for x
    x = 516,164,181,461,154.25/20,212,897.60
  6. Step 6: Final answer
    x = 25,536,377.40

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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.