Home / 8,878,339.40-12,248,721-5,392,363.22

Finding the Fourth Proportional to 8,878,339.40, 12,248,721 and 5,392,363.22

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Solution

The fourth proportional to 8,878,339.40, 12,248,721 and 5,392,363.22 is: 7,439,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878,339.40 : 12,248,721 = 5,392,363.22 : x
  2. Step 2: Convert to fraction form
    8,878,339.40/12,248,721 = 5,392,363.22/x
  3. Step 3: Cross multiply
    8,878,339.40x = 12,248,721 × 5,392,363.22
  4. Step 4: Simplify right side
    8,878,339.40x = 66,049,552,612,441.62
  5. Step 5: Solve for x
    x = 66,049,552,612,441.62/8,878,339.40
  6. Step 6: Final answer
    x = 7,439,403.88

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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.