Home / 13,694,280.50-18,897,876.08-7,582,577.78

Finding the Fourth Proportional to 13,694,280.50, 18,897,876.08 and 7,582,577.78

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Solution

The fourth proportional to 13,694,280.50, 18,897,876.08 and 7,582,577.78 is: 10,463,829.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694,280.50 : 18,897,876.08 = 7,582,577.78 : x
  2. Step 2: Convert to fraction form
    13,694,280.50/18,897,876.08 = 7,582,577.78/x
  3. Step 3: Cross multiply
    13,694,280.50x = 18,897,876.08 × 7,582,577.78
  4. Step 4: Simplify right side
    13,694,280.50x = 143,294,615,253,401.50
  5. Step 5: Solve for x
    x = 143,294,615,253,401.50/13,694,280.50
  6. Step 6: Final answer
    x = 10,463,829.43

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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.