Home / 8,344,432.39-12,518,061.64-2,878,042.90

Finding the Fourth Proportional to 8,344,432.39, 12,518,061.64 and 2,878,042.90

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Solution

The fourth proportional to 8,344,432.39, 12,518,061.64 and 2,878,042.90 is: 4,317,551.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,344,432.39 : 12,518,061.64 = 2,878,042.90 : x
  2. Step 2: Convert to fraction form
    8,344,432.39/12,518,061.64 = 2,878,042.90/x
  3. Step 3: Cross multiply
    8,344,432.39x = 12,518,061.64 × 2,878,042.90
  4. Step 4: Simplify right side
    8,344,432.39x = 36,027,518,424,764.36
  5. Step 5: Solve for x
    x = 36,027,518,424,764.36/8,344,432.39
  6. Step 6: Final answer
    x = 4,317,551.72

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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.