Home / 19,480,837.90-29,221,256.85-8,129,433.10

Finding the Fourth Proportional to 19,480,837.90, 29,221,256.85 and 8,129,433.10

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Solution

The fourth proportional to 19,480,837.90, 29,221,256.85 and 8,129,433.10 is: 12,194,149.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,480,837.90 : 29,221,256.85 = 8,129,433.10 : x
  2. Step 2: Convert to fraction form
    19,480,837.90/29,221,256.85 = 8,129,433.10/x
  3. Step 3: Cross multiply
    19,480,837.90x = 29,221,256.85 × 8,129,433.10
  4. Step 4: Simplify right side
    19,480,837.90x = 237,552,252,659,991.75
  5. Step 5: Solve for x
    x = 237,552,252,659,991.75/19,480,837.90
  6. Step 6: Final answer
    x = 12,194,149.65

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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.