Home / 28,040,208.20-42,060,312.30-12,083,856.20

Finding the Fourth Proportional to 28,040,208.20, 42,060,312.30 and 12,083,856.20

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Solution

The fourth proportional to 28,040,208.20, 42,060,312.30 and 12,083,856.20 is: 18,125,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,040,208.20 : 42,060,312.30 = 12,083,856.20 : x
  2. Step 2: Convert to fraction form
    28,040,208.20/42,060,312.30 = 12,083,856.20/x
  3. Step 3: Cross multiply
    28,040,208.20x = 42,060,312.30 × 12,083,856.20
  4. Step 4: Simplify right side
    28,040,208.20x = 508,250,765,560,291.19
  5. Step 5: Solve for x
    x = 508,250,765,560,291.19/28,040,208.20
  6. Step 6: Final answer
    x = 18,125,784.30

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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.