Home / 28,134,336.48-42,195,599.70-7,934,854.56

Finding the Fourth Proportional to 28,134,336.48, 42,195,599.70 and 7,934,854.56

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Solution

The fourth proportional to 28,134,336.48, 42,195,599.70 and 7,934,854.56 is: 11,900,616.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134,336.48 : 42,195,599.70 = 7,934,854.56 : x
  2. Step 2: Convert to fraction form
    28,134,336.48/42,195,599.70 = 7,934,854.56/x
  3. Step 3: Cross multiply
    28,134,336.48x = 42,195,599.70 × 7,934,854.56
  4. Step 4: Simplify right side
    28,134,336.48x = 334,815,946,691,479.62
  5. Step 5: Solve for x
    x = 334,815,946,691,479.62/28,134,336.48
  6. Step 6: Final answer
    x = 11,900,616.42

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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.