Home / 13,211,990.72-19,818,017.04-3,627,500.48

Finding the Fourth Proportional to 13,211,990.72, 19,818,017.04 and 3,627,500.48

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Solution

The fourth proportional to 13,211,990.72, 19,818,017.04 and 3,627,500.48 is: 5,441,259.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,211,990.72 : 19,818,017.04 = 3,627,500.48 : x
  2. Step 2: Convert to fraction form
    13,211,990.72/19,818,017.04 = 3,627,500.48/x
  3. Step 3: Cross multiply
    13,211,990.72x = 19,818,017.04 × 3,627,500.48
  4. Step 4: Simplify right side
    13,211,990.72x = 71,889,866,325,248.17
  5. Step 5: Solve for x
    x = 71,889,866,325,248.17/13,211,990.72
  6. Step 6: Final answer
    x = 5,441,259.22

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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.