Home / 15,098,417.20-20,821,393.20-10,148,040.64

Finding the Fourth Proportional to 15,098,417.20, 20,821,393.20 and 10,148,040.64

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Solution

The fourth proportional to 15,098,417.20, 20,821,393.20 and 10,148,040.64 is: 13,994,602.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,098,417.20 : 20,821,393.20 = 10,148,040.64 : x
  2. Step 2: Convert to fraction form
    15,098,417.20/20,821,393.20 = 10,148,040.64/x
  3. Step 3: Cross multiply
    15,098,417.20x = 20,821,393.20 × 10,148,040.64
  4. Step 4: Simplify right side
    15,098,417.20x = 211,296,344,375,019.66
  5. Step 5: Solve for x
    x = 211,296,344,375,019.66/15,098,417.20
  6. Step 6: Final answer
    x = 13,994,602.32

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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.