Home / 15,112,134.83-20,854,753.83-8,585,775.70

Finding the Fourth Proportional to 15,112,134.83, 20,854,753.83 and 8,585,775.70

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Solution

The fourth proportional to 15,112,134.83, 20,854,753.83 and 8,585,775.70 is: 11,848,374.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,112,134.83 : 20,854,753.83 = 8,585,775.70 : x
  2. Step 2: Convert to fraction form
    15,112,134.83/20,854,753.83 = 8,585,775.70/x
  3. Step 3: Cross multiply
    15,112,134.83x = 20,854,753.83 × 8,585,775.70
  4. Step 4: Simplify right side
    15,112,134.83x = 179,054,238,610,959.03
  5. Step 5: Solve for x
    x = 179,054,238,610,959.03/15,112,134.83
  6. Step 6: Final answer
    x = 11,848,374.87

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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.