Home / 28,476,838.60-42,711,110.70-8,279,974.60

Finding the Fourth Proportional to 28,476,838.60, 42,711,110.70 and 8,279,974.60

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Solution

The fourth proportional to 28,476,838.60, 42,711,110.70 and 8,279,974.60 is: 12,418,756.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,476,838.60 : 42,711,110.70 = 8,279,974.60 : x
  2. Step 2: Convert to fraction form
    28,476,838.60/42,711,110.70 = 8,279,974.60/x
  3. Step 3: Cross multiply
    28,476,838.60x = 42,711,110.70 × 8,279,974.60
  4. Step 4: Simplify right side
    28,476,838.60x = 353,646,911,733,788.25
  5. Step 5: Solve for x
    x = 353,646,911,733,788.25/28,476,838.60
  6. Step 6: Final answer
    x = 12,418,756.05

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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.