Home / 5,168,610.90-7,130,769.87-5,160,639.42

Finding the Fourth Proportional to 5,168,610.90, 7,130,769.87 and 5,160,639.42

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Solution

The fourth proportional to 5,168,610.90, 7,130,769.87 and 5,160,639.42 is: 7,119,772.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,610.90 : 7,130,769.87 = 5,160,639.42 : x
  2. Step 2: Convert to fraction form
    5,168,610.90/7,130,769.87 = 5,160,639.42/x
  3. Step 3: Cross multiply
    5,168,610.90x = 7,130,769.87 × 5,160,639.42
  4. Step 4: Simplify right side
    5,168,610.90x = 36,799,332,086,070.27
  5. Step 5: Solve for x
    x = 36,799,332,086,070.27/5,168,610.90
  6. Step 6: Final answer
    x = 7,119,772.18

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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.