Home / 28,899,080.10-43,348,620.15-11,871,972.90

Finding the Fourth Proportional to 28,899,080.10, 43,348,620.15 and 11,871,972.90

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Solution

The fourth proportional to 28,899,080.10, 43,348,620.15 and 11,871,972.90 is: 17,807,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,899,080.10 : 43,348,620.15 = 11,871,972.90 : x
  2. Step 2: Convert to fraction form
    28,899,080.10/43,348,620.15 = 11,871,972.90/x
  3. Step 3: Cross multiply
    28,899,080.10x = 43,348,620.15 × 11,871,972.90
  4. Step 4: Simplify right side
    28,899,080.10x = 514,633,643,673,193.94
  5. Step 5: Solve for x
    x = 514,633,643,673,193.94/28,899,080.10
  6. Step 6: Final answer
    x = 17,807,959.35

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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.