Home / 21,033,145-29,025,740.10-11,375,353

Finding the Fourth Proportional to 21,033,145, 29,025,740.10 and 11,375,353

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Solution

The fourth proportional to 21,033,145, 29,025,740.10 and 11,375,353 is: 15,697,987.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033,145 : 29,025,740.10 = 11,375,353 : x
  2. Step 2: Convert to fraction form
    21,033,145/29,025,740.10 = 11,375,353/x
  3. Step 3: Cross multiply
    21,033,145x = 29,025,740.10 × 11,375,353
  4. Step 4: Simplify right side
    21,033,145x = 330,178,039,723,755.31
  5. Step 5: Solve for x
    x = 330,178,039,723,755.31/21,033,145
  6. Step 6: Final answer
    x = 15,697,987.14

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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.