Home / 21,802,408.30-32,703,612.45-20,160,117.10

Finding the Fourth Proportional to 21,802,408.30, 32,703,612.45 and 20,160,117.10

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Solution

The fourth proportional to 21,802,408.30, 32,703,612.45 and 20,160,117.10 is: 30,240,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,802,408.30 : 32,703,612.45 = 20,160,117.10 : x
  2. Step 2: Convert to fraction form
    21,802,408.30/32,703,612.45 = 20,160,117.10/x
  3. Step 3: Cross multiply
    21,802,408.30x = 32,703,612.45 × 20,160,117.10
  4. Step 4: Simplify right side
    21,802,408.30x = 659,308,656,585,017.88
  5. Step 5: Solve for x
    x = 659,308,656,585,017.88/21,802,408.30
  6. Step 6: Final answer
    x = 30,240,175.65

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1.5x scale

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.