Home / 16,985,167.47-25,452,556.95-12,475,398.51

Finding the Fourth Proportional to 16,985,167.47, 25,452,556.95 and 12,475,398.51

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Solution

The fourth proportional to 16,985,167.47, 25,452,556.95 and 12,475,398.51 is: 18,694,592.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,985,167.47 : 25,452,556.95 = 12,475,398.51 : x
  2. Step 2: Convert to fraction form
    16,985,167.47/25,452,556.95 = 12,475,398.51/x
  3. Step 3: Cross multiply
    16,985,167.47x = 25,452,556.95 × 12,475,398.51
  4. Step 4: Simplify right side
    16,985,167.47x = 317,530,791,049,720.12
  5. Step 5: Solve for x
    x = 317,530,791,049,720.12/16,985,167.47
  6. Step 6: Final answer
    x = 18,694,592.89

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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.