Home / 12,239,805.60-18,364,228.20-5,051,962.80

Finding the Fourth Proportional to 12,239,805.60, 18,364,228.20 and 5,051,962.80

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Solution

The fourth proportional to 12,239,805.60, 18,364,228.20 and 5,051,962.80 is: 7,579,809.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,239,805.60 : 18,364,228.20 = 5,051,962.80 : x
  2. Step 2: Convert to fraction form
    12,239,805.60/18,364,228.20 = 5,051,962.80/x
  3. Step 3: Cross multiply
    12,239,805.60x = 18,364,228.20 × 5,051,962.80
  4. Step 4: Simplify right side
    12,239,805.60x = 92,775,397,717,110.95
  5. Step 5: Solve for x
    x = 92,775,397,717,110.95/12,239,805.60
  6. Step 6: Final answer
    x = 7,579,809.74

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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.