Home / 21,924,000.20-32,886,000.30-20,878,905.80

Finding the Fourth Proportional to 21,924,000.20, 32,886,000.30 and 20,878,905.80

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Solution

The fourth proportional to 21,924,000.20, 32,886,000.30 and 20,878,905.80 is: 31,318,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,924,000.20 : 32,886,000.30 = 20,878,905.80 : x
  2. Step 2: Convert to fraction form
    21,924,000.20/32,886,000.30 = 20,878,905.80/x
  3. Step 3: Cross multiply
    21,924,000.20x = 32,886,000.30 × 20,878,905.80
  4. Step 4: Simplify right side
    21,924,000.20x = 686,623,702,402,471.75
  5. Step 5: Solve for x
    x = 686,623,702,402,471.75/21,924,000.20
  6. Step 6: Final answer
    x = 31,318,358.70

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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.