Home / 10,012,181.94-15,013,304.16-3,187,866.06

Finding the Fourth Proportional to 10,012,181.94, 15,013,304.16 and 3,187,866.06

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Solution

The fourth proportional to 10,012,181.94, 15,013,304.16 and 3,187,866.06 is: 4,780,217.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012,181.94 : 15,013,304.16 = 3,187,866.06 : x
  2. Step 2: Convert to fraction form
    10,012,181.94/15,013,304.16 = 3,187,866.06/x
  3. Step 3: Cross multiply
    10,012,181.94x = 15,013,304.16 × 3,187,866.06
  4. Step 4: Simplify right side
    10,012,181.94x = 47,860,402,780,120.81
  5. Step 5: Solve for x
    x = 47,860,402,780,120.81/10,012,181.94
  6. Step 6: Final answer
    x = 4,780,217.05

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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.