Home / 12,364,175.80-18,546,263.70-9,972,691.30

Finding the Fourth Proportional to 12,364,175.80, 18,546,263.70 and 9,972,691.30

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Solution

The fourth proportional to 12,364,175.80, 18,546,263.70 and 9,972,691.30 is: 14,959,036.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,364,175.80 : 18,546,263.70 = 9,972,691.30 : x
  2. Step 2: Convert to fraction form
    12,364,175.80/18,546,263.70 = 9,972,691.30/x
  3. Step 3: Cross multiply
    12,364,175.80x = 18,546,263.70 × 9,972,691.30
  4. Step 4: Simplify right side
    12,364,175.80x = 184,956,162,648,495.81
  5. Step 5: Solve for x
    x = 184,956,162,648,495.81/12,364,175.80
  6. Step 6: Final answer
    x = 14,959,036.95

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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.