Home / 20,370,425.69-28,106,266.82-12,925,373.18

Finding the Fourth Proportional to 20,370,425.69, 28,106,266.82 and 12,925,373.18

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Solution

The fourth proportional to 20,370,425.69, 28,106,266.82 and 12,925,373.18 is: 17,833,892.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,370,425.69 : 28,106,266.82 = 12,925,373.18 : x
  2. Step 2: Convert to fraction form
    20,370,425.69/28,106,266.82 = 12,925,373.18/x
  3. Step 3: Cross multiply
    20,370,425.69x = 28,106,266.82 × 12,925,373.18
  4. Step 4: Simplify right side
    20,370,425.69x = 363,283,987,139,993.75
  5. Step 5: Solve for x
    x = 363,283,987,139,993.75/20,370,425.69
  6. Step 6: Final answer
    x = 17,833,892.75

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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.