Home / 28,476,837.60-42,711,109.20-8,279,973.60

Finding the Fourth Proportional to 28,476,837.60, 42,711,109.20 and 8,279,973.60

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Solution

The fourth proportional to 28,476,837.60, 42,711,109.20 and 8,279,973.60 is: 12,418,754.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,476,837.60 : 42,711,109.20 = 8,279,973.60 : x
  2. Step 2: Convert to fraction form
    28,476,837.60/42,711,109.20 = 8,279,973.60/x
  3. Step 3: Cross multiply
    28,476,837.60x = 42,711,109.20 × 8,279,973.60
  4. Step 4: Simplify right side
    28,476,837.60x = 353,646,856,602,717.12
  5. Step 5: Solve for x
    x = 353,646,856,602,717.12/28,476,837.60
  6. Step 6: Final answer
    x = 12,418,754.55

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1.5x scale

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.