Home / 12,849,546.90-19,236,451.05-11,255,223.90

Finding the Fourth Proportional to 12,849,546.90, 19,236,451.05 and 11,255,223.90

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Solution

The fourth proportional to 12,849,546.90, 19,236,451.05 and 11,255,223.90 is: 16,849,665.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849,546.90 : 19,236,451.05 = 11,255,223.90 : x
  2. Step 2: Convert to fraction form
    12,849,546.90/19,236,451.05 = 11,255,223.90/x
  3. Step 3: Cross multiply
    12,849,546.90x = 19,236,451.05 × 11,255,223.90
  4. Step 4: Simplify right side
    12,849,546.90x = 216,510,563,609,140.12
  5. Step 5: Solve for x
    x = 216,510,563,609,140.12/12,849,546.90
  6. Step 6: Final answer
    x = 16,849,665.23

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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.