Home / 7,135,875.38-9,847,513.16-3,872,689.26

Finding the Fourth Proportional to 7,135,875.38, 9,847,513.16 and 3,872,689.26

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Solution

The fourth proportional to 7,135,875.38, 9,847,513.16 and 3,872,689.26 is: 5,344,313.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135,875.38 : 9,847,513.16 = 3,872,689.26 : x
  2. Step 2: Convert to fraction form
    7,135,875.38/9,847,513.16 = 3,872,689.26/x
  3. Step 3: Cross multiply
    7,135,875.38x = 9,847,513.16 × 3,872,689.26
  4. Step 4: Simplify right side
    7,135,875.38x = 38,136,358,433,077.21
  5. Step 5: Solve for x
    x = 38,136,358,433,077.21/7,135,875.38
  6. Step 6: Final answer
    x = 5,344,313.97

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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.