Home / 20,157,506.80-30,310,909.80-16,872,924.40

Finding the Fourth Proportional to 20,157,506.80, 30,310,909.80 and 16,872,924.40

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Solution

The fourth proportional to 20,157,506.80, 30,310,909.80 and 16,872,924.40 is: 25,371,872.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157,506.80 : 30,310,909.80 = 16,872,924.40 : x
  2. Step 2: Convert to fraction form
    20,157,506.80/30,310,909.80 = 16,872,924.40/x
  3. Step 3: Cross multiply
    20,157,506.80x = 30,310,909.80 × 16,872,924.40
  4. Step 4: Simplify right side
    20,157,506.80x = 511,433,689,550,619.06
  5. Step 5: Solve for x
    x = 511,433,689,550,619.06/20,157,506.80
  6. Step 6: Final answer
    x = 25,371,872.36

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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.