Home / 12,587,113.12-18,875,464.32-3,948,332

Finding the Fourth Proportional to 12,587,113.12, 18,875,464.32 and 3,948,332

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Solution

The fourth proportional to 12,587,113.12, 18,875,464.32 and 3,948,332 is: 5,920,865.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,587,113.12 : 18,875,464.32 = 3,948,332 : x
  2. Step 2: Convert to fraction form
    12,587,113.12/18,875,464.32 = 3,948,332/x
  3. Step 3: Cross multiply
    12,587,113.12x = 18,875,464.32 × 3,948,332
  4. Step 4: Simplify right side
    12,587,113.12x = 74,526,599,789,514.23
  5. Step 5: Solve for x
    x = 74,526,599,789,514.23/12,587,113.12
  6. Step 6: Final answer
    x = 5,920,865.18

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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.