Home / 11,248,015.90-16,872,023.85-7,421,640.70

Finding the Fourth Proportional to 11,248,015.90, 16,872,023.85 and 7,421,640.70

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Solution

The fourth proportional to 11,248,015.90, 16,872,023.85 and 7,421,640.70 is: 11,132,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248,015.90 : 16,872,023.85 = 7,421,640.70 : x
  2. Step 2: Convert to fraction form
    11,248,015.90/16,872,023.85 = 7,421,640.70/x
  3. Step 3: Cross multiply
    11,248,015.90x = 16,872,023.85 × 7,421,640.70
  4. Step 4: Simplify right side
    11,248,015.90x = 125,218,098,896,530.70
  5. Step 5: Solve for x
    x = 125,218,098,896,530.70/11,248,015.90
  6. Step 6: Final answer
    x = 11,132,461.05

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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.