Home / 13,573,864,530.15-18,734,526,488.72-8,988,040,514.65

Finding the Fourth Proportional to 13,573,864,530.15, 18,734,526,488.72 and 8,988,040,514.65

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Solution

The fourth proportional to 13,573,864,530.15, 18,734,526,488.72 and 8,988,040,514.65 is: 12,405,213,174.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573,864,530.15 : 18,734,526,488.72 = 8,988,040,514.65 : x
  2. Step 2: Convert to fraction form
    13,573,864,530.15/18,734,526,488.72 = 8,988,040,514.65/x
  3. Step 3: Cross multiply
    13,573,864,530.15x = 18,734,526,488.72 × 8,988,040,514.65
  4. Step 4: Simplify right side
    13,573,864,530.15x = 168,386,683,103,260,377,088
  5. Step 5: Solve for x
    x = 168,386,683,103,260,377,088/13,573,864,530.15
  6. Step 6: Final answer
    x = 12,405,213,174.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.