Home / 7,105,642.60-10,656,131.10-2,617,335.40

Finding the Fourth Proportional to 7,105,642.60, 10,656,131.10 and 2,617,335.40

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Solution

The fourth proportional to 7,105,642.60, 10,656,131.10 and 2,617,335.40 is: 3,925,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105,642.60 : 10,656,131.10 = 2,617,335.40 : x
  2. Step 2: Convert to fraction form
    7,105,642.60/10,656,131.10 = 2,617,335.40/x
  3. Step 3: Cross multiply
    7,105,642.60x = 10,656,131.10 × 2,617,335.40
  4. Step 4: Simplify right side
    7,105,642.60x = 27,890,669,155,070.94
  5. Step 5: Solve for x
    x = 27,890,669,155,070.94/7,105,642.60
  6. Step 6: Final answer
    x = 3,925,143.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.