Home / 8,151,038.05-12,226,557.08-5,281,256.65

Finding the Fourth Proportional to 8,151,038.05, 12,226,557.08 and 5,281,256.65

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Solution

The fourth proportional to 8,151,038.05, 12,226,557.08 and 5,281,256.65 is: 7,921,884.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151,038.05 : 12,226,557.08 = 5,281,256.65 : x
  2. Step 2: Convert to fraction form
    8,151,038.05/12,226,557.08 = 5,281,256.65/x
  3. Step 3: Cross multiply
    8,151,038.05x = 12,226,557.08 × 5,281,256.65
  4. Step 4: Simplify right side
    8,151,038.05x = 64,571,585,858,948.30
  5. Step 5: Solve for x
    x = 64,571,585,858,948.30/8,151,038.05
  6. Step 6: Final answer
    x = 7,921,884.98

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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.