Home / 21,092,900.22-29,110,373.28-12,833,548.92

Finding the Fourth Proportional to 21,092,900.22, 29,110,373.28 and 12,833,548.92

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Solution

The fourth proportional to 21,092,900.22, 29,110,373.28 and 12,833,548.92 is: 17,711,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,092,900.22 : 29,110,373.28 = 12,833,548.92 : x
  2. Step 2: Convert to fraction form
    21,092,900.22/29,110,373.28 = 12,833,548.92/x
  3. Step 3: Cross multiply
    21,092,900.22x = 29,110,373.28 × 12,833,548.92
  4. Step 4: Simplify right side
    21,092,900.22x = 373,589,399,568,340.88
  5. Step 5: Solve for x
    x = 373,589,399,568,340.88/21,092,900.22
  6. Step 6: Final answer
    x = 17,711,618.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.