Home / 28,160,274.76-38,861,194.98-15,283,218.76

Finding the Fourth Proportional to 28,160,274.76, 38,861,194.98 and 15,283,218.76

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Solution

The fourth proportional to 28,160,274.76, 38,861,194.98 and 15,283,218.76 is: 21,090,850.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,160,274.76 : 38,861,194.98 = 15,283,218.76 : x
  2. Step 2: Convert to fraction form
    28,160,274.76/38,861,194.98 = 15,283,218.76/x
  3. Step 3: Cross multiply
    28,160,274.76x = 38,861,194.98 × 15,283,218.76
  4. Step 4: Simplify right side
    28,160,274.76x = 593,924,144,154,353.75
  5. Step 5: Solve for x
    x = 593,924,144,154,353.75/28,160,274.76
  6. Step 6: Final answer
    x = 21,090,850.47

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.