Home / 21,580,647-32,386,950.36-10,221,131.04

Finding the Fourth Proportional to 21,580,647, 32,386,950.36 and 10,221,131.04

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Solution

The fourth proportional to 21,580,647, 32,386,950.36 and 10,221,131.04 is: 15,339,265.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,580,647 : 32,386,950.36 = 10,221,131.04 : x
  2. Step 2: Convert to fraction form
    21,580,647/32,386,950.36 = 10,221,131.04/x
  3. Step 3: Cross multiply
    21,580,647x = 32,386,950.36 × 10,221,131.04
  4. Step 4: Simplify right side
    21,580,647x = 331,031,263,615,535.12
  5. Step 5: Solve for x
    x = 331,031,263,615,535.12/21,580,647
  6. Step 6: Final answer
    x = 15,339,265.02

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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.