Home / 15,053,582.89-20,773,962.83-8,178,064.95

Finding the Fourth Proportional to 15,053,582.89, 20,773,962.83 and 8,178,064.95

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Solution

The fourth proportional to 15,053,582.89, 20,773,962.83 and 8,178,064.95 is: 11,285,739.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,053,582.89 : 20,773,962.83 = 8,178,064.95 : x
  2. Step 2: Convert to fraction form
    15,053,582.89/20,773,962.83 = 8,178,064.95/x
  3. Step 3: Cross multiply
    15,053,582.89x = 20,773,962.83 × 8,178,064.95
  4. Step 4: Simplify right side
    15,053,582.89x = 169,890,817,274,119.78
  5. Step 5: Solve for x
    x = 169,890,817,274,119.78/15,053,582.89
  6. Step 6: Final answer
    x = 11,285,739.65

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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.