Home / 25,623,841.80-38,416,079.70-12,853,511.40

Finding the Fourth Proportional to 25,623,841.80, 38,416,079.70 and 12,853,511.40

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Solution

The fourth proportional to 25,623,841.80, 38,416,079.70 and 12,853,511.40 is: 19,270,393.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,623,841.80 : 38,416,079.70 = 12,853,511.40 : x
  2. Step 2: Convert to fraction form
    25,623,841.80/38,416,079.70 = 12,853,511.40/x
  3. Step 3: Cross multiply
    25,623,841.80x = 38,416,079.70 × 12,853,511.40
  4. Step 4: Simplify right side
    25,623,841.80x = 493,781,518,367,258.62
  5. Step 5: Solve for x
    x = 493,781,518,367,258.62/25,623,841.80
  6. Step 6: Final answer
    x = 19,270,393.65

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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.