Home / 11,248,019.40-16,872,029.10-7,421,644.20

Finding the Fourth Proportional to 11,248,019.40, 16,872,029.10 and 7,421,644.20

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Solution

The fourth proportional to 11,248,019.40, 16,872,029.10 and 7,421,644.20 is: 11,132,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248,019.40 : 16,872,029.10 = 7,421,644.20 : x
  2. Step 2: Convert to fraction form
    11,248,019.40/16,872,029.10 = 7,421,644.20/x
  3. Step 3: Cross multiply
    11,248,019.40x = 16,872,029.10 × 7,421,644.20
  4. Step 4: Simplify right side
    11,248,019.40x = 125,218,196,912,246.23
  5. Step 5: Solve for x
    x = 125,218,196,912,246.23/11,248,019.40
  6. Step 6: Final answer
    x = 11,132,466.30

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Similar ratio
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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.