Home / 10,401,807.20-15,602,759.40-3,670,221.20

Finding the Fourth Proportional to 10,401,807.20, 15,602,759.40 and 3,670,221.20

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Solution

The fourth proportional to 10,401,807.20, 15,602,759.40 and 3,670,221.20 is: 5,505,348.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,401,807.20 : 15,602,759.40 = 3,670,221.20 : x
  2. Step 2: Convert to fraction form
    10,401,807.20/15,602,759.40 = 3,670,221.20/x
  3. Step 3: Cross multiply
    10,401,807.20x = 15,602,759.40 × 3,670,221.20
  4. Step 4: Simplify right side
    10,401,807.20x = 57,265,578,328,379.28
  5. Step 5: Solve for x
    x = 57,265,578,328,379.28/10,401,807.20
  6. Step 6: Final answer
    x = 5,505,348.95

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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.