Home / 25,427,425.80-38,141,138.70-16,818,081.60

Finding the Fourth Proportional to 25,427,425.80, 38,141,138.70 and 16,818,081.60

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Solution

The fourth proportional to 25,427,425.80, 38,141,138.70 and 16,818,081.60 is: 25,227,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,427,425.80 : 38,141,138.70 = 16,818,081.60 : x
  2. Step 2: Convert to fraction form
    25,427,425.80/38,141,138.70 = 16,818,081.60/x
  3. Step 3: Cross multiply
    25,427,425.80x = 38,141,138.70 × 16,818,081.60
  4. Step 4: Simplify right side
    25,427,425.80x = 641,460,782,973,518
  5. Step 5: Solve for x
    x = 641,460,782,973,518/25,427,425.80
  6. Step 6: Final answer
    x = 25,227,122.40

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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.