Home / 8,943,521.60-12,342,042.96-4,869,130.88

Finding the Fourth Proportional to 8,943,521.60, 12,342,042.96 and 4,869,130.88

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Solution

The fourth proportional to 8,943,521.60, 12,342,042.96 and 4,869,130.88 is: 6,719,391.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943,521.60 : 12,342,042.96 = 4,869,130.88 : x
  2. Step 2: Convert to fraction form
    8,943,521.60/12,342,042.96 = 4,869,130.88/x
  3. Step 3: Cross multiply
    8,943,521.60x = 12,342,042.96 × 4,869,130.88
  4. Step 4: Simplify right side
    8,943,521.60x = 60,095,022,498,822.61
  5. Step 5: Solve for x
    x = 60,095,022,498,822.61/8,943,521.60
  6. Step 6: Final answer
    x = 6,719,391.44

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1.5x scale

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.