Home / 21,025,703.28-29,021,675.76-12,325,758.96

Finding the Fourth Proportional to 21,025,703.28, 29,021,675.76 and 12,325,758.96

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Solution

The fourth proportional to 21,025,703.28, 29,021,675.76 and 12,325,758.96 is: 17,013,185.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,025,703.28 : 29,021,675.76 = 12,325,758.96 : x
  2. Step 2: Convert to fraction form
    21,025,703.28/29,021,675.76 = 12,325,758.96/x
  3. Step 3: Cross multiply
    21,025,703.28x = 29,021,675.76 × 12,325,758.96
  4. Step 4: Simplify right side
    21,025,703.28x = 357,714,180,033,034.88
  5. Step 5: Solve for x
    x = 357,714,180,033,034.88/21,025,703.28
  6. Step 6: Final answer
    x = 17,013,185.02

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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.