Home / 8,878,331.61-12,248,710.19-5,392,355.44

Finding the Fourth Proportional to 8,878,331.61, 12,248,710.19 and 5,392,355.44

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Solution

The fourth proportional to 8,878,331.61, 12,248,710.19 and 5,392,355.44 is: 7,439,393.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878,331.61 : 12,248,710.19 = 5,392,355.44 : x
  2. Step 2: Convert to fraction form
    8,878,331.61/12,248,710.19 = 5,392,355.44/x
  3. Step 3: Cross multiply
    8,878,331.61x = 12,248,710.19 × 5,392,355.44
  4. Step 4: Simplify right side
    8,878,331.61x = 66,049,399,026,029.94
  5. Step 5: Solve for x
    x = 66,049,399,026,029.94/8,878,331.61
  6. Step 6: Final answer
    x = 7,439,393.11

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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.