Home / 8,681,302.30-11,979,613.20-4,813,680.28

Finding the Fourth Proportional to 8,681,302.30, 11,979,613.20 and 4,813,680.28

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Solution

The fourth proportional to 8,681,302.30, 11,979,613.20 and 4,813,680.28 is: 6,642,554.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681,302.30 : 11,979,613.20 = 4,813,680.28 : x
  2. Step 2: Convert to fraction form
    8,681,302.30/11,979,613.20 = 4,813,680.28/x
  3. Step 3: Cross multiply
    8,681,302.30x = 11,979,613.20 × 4,813,680.28
  4. Step 4: Simplify right side
    8,681,302.30x = 57,666,027,822,867.70
  5. Step 5: Solve for x
    x = 57,666,027,822,867.70/8,681,302.30
  6. Step 6: Final answer
    x = 6,642,554.98

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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.