Home / 7,408,139.65-11,167,734.43-6,914,342.19

Finding the Fourth Proportional to 7,408,139.65, 11,167,734.43 and 6,914,342.19

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Solution

The fourth proportional to 7,408,139.65, 11,167,734.43 and 6,914,342.19 is: 10,423,337.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408,139.65 : 11,167,734.43 = 6,914,342.19 : x
  2. Step 2: Convert to fraction form
    7,408,139.65/11,167,734.43 = 6,914,342.19/x
  3. Step 3: Cross multiply
    7,408,139.65x = 11,167,734.43 × 6,914,342.19
  4. Step 4: Simplify right side
    7,408,139.65x = 77,217,537,336,064.61
  5. Step 5: Solve for x
    x = 77,217,537,336,064.61/7,408,139.65
  6. Step 6: Final answer
    x = 10,423,337.16

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.