Home / 47,376,000.40-71,064,000.60-20,449,656.40

Finding the Fourth Proportional to 47,376,000.40, 71,064,000.60 and 20,449,656.40

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Solution

The fourth proportional to 47,376,000.40, 71,064,000.60 and 20,449,656.40 is: 30,674,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,376,000.40 : 71,064,000.60 = 20,449,656.40 : x
  2. Step 2: Convert to fraction form
    47,376,000.40/71,064,000.60 = 20,449,656.40/x
  3. Step 3: Cross multiply
    47,376,000.40x = 71,064,000.60 × 20,449,656.40
  4. Step 4: Simplify right side
    47,376,000.40x = 1,453,234,394,679,393.50
  5. Step 5: Solve for x
    x = 1,453,234,394,679,393.50/47,376,000.40
  6. Step 6: Final answer
    x = 30,674,484.60

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Similar ratio
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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.