Home / 21,973,479.90-32,960,219.85-20,853,735.90

Finding the Fourth Proportional to 21,973,479.90, 32,960,219.85 and 20,853,735.90

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Solution

The fourth proportional to 21,973,479.90, 32,960,219.85 and 20,853,735.90 is: 31,280,603.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973,479.90 : 32,960,219.85 = 20,853,735.90 : x
  2. Step 2: Convert to fraction form
    21,973,479.90/32,960,219.85 = 20,853,735.90/x
  3. Step 3: Cross multiply
    21,973,479.90x = 32,960,219.85 × 20,853,735.90
  4. Step 4: Simplify right side
    21,973,479.90x = 687,343,719,957,837.62
  5. Step 5: Solve for x
    x = 687,343,719,957,837.62/21,973,479.90
  6. Step 6: Final answer
    x = 31,280,603.85

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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.