Home / 18,590,648.18-25,650,891.07-11,248,298.69

Finding the Fourth Proportional to 18,590,648.18, 25,650,891.07 and 11,248,298.69

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Solution

The fourth proportional to 18,590,648.18, 25,650,891.07 and 11,248,298.69 is: 15,520,108.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590,648.18 : 25,650,891.07 = 11,248,298.69 : x
  2. Step 2: Convert to fraction form
    18,590,648.18/25,650,891.07 = 11,248,298.69/x
  3. Step 3: Cross multiply
    18,590,648.18x = 25,650,891.07 × 11,248,298.69
  4. Step 4: Simplify right side
    18,590,648.18x = 288,528,884,263,638.50
  5. Step 5: Solve for x
    x = 288,528,884,263,638.50/18,590,648.18
  6. Step 6: Final answer
    x = 15,520,108.90

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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.