Home / 28,836,031.60-43,254,047.40-18,086,489.20

Finding the Fourth Proportional to 28,836,031.60, 43,254,047.40 and 18,086,489.20

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Solution

The fourth proportional to 28,836,031.60, 43,254,047.40 and 18,086,489.20 is: 27,129,733.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,836,031.60 : 43,254,047.40 = 18,086,489.20 : x
  2. Step 2: Convert to fraction form
    28,836,031.60/43,254,047.40 = 18,086,489.20/x
  3. Step 3: Cross multiply
    28,836,031.60x = 43,254,047.40 × 18,086,489.20
  4. Step 4: Simplify right side
    28,836,031.60x = 782,313,861,156,388
  5. Step 5: Solve for x
    x = 782,313,861,156,388/28,836,031.60
  6. Step 6: Final answer
    x = 27,129,733.80

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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.