Home / 21,851,489.40-32,777,234.10-7,472,401.80

Finding the Fourth Proportional to 21,851,489.40, 32,777,234.10 and 7,472,401.80

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Solution

The fourth proportional to 21,851,489.40, 32,777,234.10 and 7,472,401.80 is: 11,208,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,851,489.40 : 32,777,234.10 = 7,472,401.80 : x
  2. Step 2: Convert to fraction form
    21,851,489.40/32,777,234.10 = 7,472,401.80/x
  3. Step 3: Cross multiply
    21,851,489.40x = 32,777,234.10 × 7,472,401.80
  4. Step 4: Simplify right side
    21,851,489.40x = 244,924,663,087,861.38
  5. Step 5: Solve for x
    x = 244,924,663,087,861.38/21,851,489.40
  6. Step 6: Final answer
    x = 11,208,602.70

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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.