Home / 18,516,772.80-27,775,159.20-5,054,961.60

Finding the Fourth Proportional to 18,516,772.80, 27,775,159.20 and 5,054,961.60

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Solution

The fourth proportional to 18,516,772.80, 27,775,159.20 and 5,054,961.60 is: 7,582,442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516,772.80 : 27,775,159.20 = 5,054,961.60 : x
  2. Step 2: Convert to fraction form
    18,516,772.80/27,775,159.20 = 5,054,961.60/x
  3. Step 3: Cross multiply
    18,516,772.80x = 27,775,159.20 × 5,054,961.60
  4. Step 4: Simplify right side
    18,516,772.80x = 140,402,363,189,886.70
  5. Step 5: Solve for x
    x = 140,402,363,189,886.70/18,516,772.80
  6. Step 6: Final answer
    x = 7,582,442.40

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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.