Home / 7,656,420.71-10,566,605.22-5,719,318.27

Finding the Fourth Proportional to 7,656,420.71, 10,566,605.22 and 5,719,318.27

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Solution

The fourth proportional to 7,656,420.71, 10,566,605.22 and 5,719,318.27 is: 7,893,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656,420.71 : 10,566,605.22 = 5,719,318.27 : x
  2. Step 2: Convert to fraction form
    7,656,420.71/10,566,605.22 = 5,719,318.27/x
  3. Step 3: Cross multiply
    7,656,420.71x = 10,566,605.22 × 5,719,318.27
  4. Step 4: Simplify right side
    7,656,420.71x = 60,433,778,238,759.41
  5. Step 5: Solve for x
    x = 60,433,778,238,759.41/7,656,420.71
  6. Step 6: Final answer
    x = 7,893,215.45

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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.