Home / 13,185,951.80-19,778,927.70-8,881,279.70

Finding the Fourth Proportional to 13,185,951.80, 19,778,927.70 and 8,881,279.70

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Solution

The fourth proportional to 13,185,951.80, 19,778,927.70 and 8,881,279.70 is: 13,321,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185,951.80 : 19,778,927.70 = 8,881,279.70 : x
  2. Step 2: Convert to fraction form
    13,185,951.80/19,778,927.70 = 8,881,279.70/x
  3. Step 3: Cross multiply
    13,185,951.80x = 19,778,927.70 × 8,881,279.70
  4. Step 4: Simplify right side
    13,185,951.80x = 175,662,189,069,777.66
  5. Step 5: Solve for x
    x = 175,662,189,069,777.66/13,185,951.80
  6. Step 6: Final answer
    x = 13,321,919.55

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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.