Home / 8,439,405.12-12,638,112.48-5,903,184.96

Finding the Fourth Proportional to 8,439,405.12, 12,638,112.48 and 5,903,184.96

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Solution

The fourth proportional to 8,439,405.12, 12,638,112.48 and 5,903,184.96 is: 8,840,091.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439,405.12 : 12,638,112.48 = 5,903,184.96 : x
  2. Step 2: Convert to fraction form
    8,439,405.12/12,638,112.48 = 5,903,184.96/x
  3. Step 3: Cross multiply
    8,439,405.12x = 12,638,112.48 × 5,903,184.96
  4. Step 4: Simplify right side
    8,439,405.12x = 74,605,115,514,724.30
  5. Step 5: Solve for x
    x = 74,605,115,514,724.30/8,439,405.12
  6. Step 6: Final answer
    x = 8,840,091.74

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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.