Home / 15,109,874.12-22,671,503.49-7,919,698.52

Finding the Fourth Proportional to 15,109,874.12, 22,671,503.49 and 7,919,698.52

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Solution

The fourth proportional to 15,109,874.12, 22,671,503.49 and 7,919,698.52 is: 11,883,055.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,109,874.12 : 22,671,503.49 = 7,919,698.52 : x
  2. Step 2: Convert to fraction form
    15,109,874.12/22,671,503.49 = 7,919,698.52/x
  3. Step 3: Cross multiply
    15,109,874.12x = 22,671,503.49 × 7,919,698.52
  4. Step 4: Simplify right side
    15,109,874.12x = 179,551,472,635,927.81
  5. Step 5: Solve for x
    x = 179,551,472,635,927.81/15,109,874.12
  6. Step 6: Final answer
    x = 11,883,055.49

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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.