Home / 28,568,625.56-42,841,972.02-12,163,508.72

Finding the Fourth Proportional to 28,568,625.56, 42,841,972.02 and 12,163,508.72

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Solution

The fourth proportional to 28,568,625.56, 42,841,972.02 and 12,163,508.72 is: 18,240,594.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,568,625.56 : 42,841,972.02 = 12,163,508.72 : x
  2. Step 2: Convert to fraction form
    28,568,625.56/42,841,972.02 = 12,163,508.72/x
  3. Step 3: Cross multiply
    28,568,625.56x = 42,841,972.02 × 12,163,508.72
  4. Step 4: Simplify right side
    28,568,625.56x = 521,108,700,247,266.06
  5. Step 5: Solve for x
    x = 521,108,700,247,266.06/28,568,625.56
  6. Step 6: Final answer
    x = 18,240,594.01

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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.