Home / 20,575,770.12-28,407,395.52-13,246,302.06

Finding the Fourth Proportional to 20,575,770.12, 28,407,395.52 and 13,246,302.06

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Solution

The fourth proportional to 20,575,770.12, 28,407,395.52 and 13,246,302.06 is: 18,288,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,575,770.12 : 28,407,395.52 = 13,246,302.06 : x
  2. Step 2: Convert to fraction form
    20,575,770.12/28,407,395.52 = 13,246,302.06/x
  3. Step 3: Cross multiply
    20,575,770.12x = 28,407,395.52 × 13,246,302.06
  4. Step 4: Simplify right side
    20,575,770.12x = 376,292,941,795,810.75
  5. Step 5: Solve for x
    x = 376,292,941,795,810.75/20,575,770.12
  6. Step 6: Final answer
    x = 18,288,158.33

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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.