Home / 11,248,019.90-16,872,029.85-7,421,644.70

Finding the Fourth Proportional to 11,248,019.90, 16,872,029.85 and 7,421,644.70

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Solution

The fourth proportional to 11,248,019.90, 16,872,029.85 and 7,421,644.70 is: 11,132,467.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248,019.90 : 16,872,029.85 = 7,421,644.70 : x
  2. Step 2: Convert to fraction form
    11,248,019.90/16,872,029.85 = 7,421,644.70/x
  3. Step 3: Cross multiply
    11,248,019.90x = 16,872,029.85 × 7,421,644.70
  4. Step 4: Simplify right side
    11,248,019.90x = 125,218,210,914,494.31
  5. Step 5: Solve for x
    x = 125,218,210,914,494.31/11,248,019.90
  6. Step 6: Final answer
    x = 11,132,467.05

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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.