Home / 8,045,315.20-12,081,969.60-4,266,179.20

Finding the Fourth Proportional to 8,045,315.20, 12,081,969.60 and 4,266,179.20

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Solution

The fourth proportional to 8,045,315.20, 12,081,969.60 and 4,266,179.20 is: 6,406,690.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045,315.20 : 12,081,969.60 = 4,266,179.20 : x
  2. Step 2: Convert to fraction form
    8,045,315.20/12,081,969.60 = 4,266,179.20/x
  3. Step 3: Cross multiply
    8,045,315.20x = 12,081,969.60 × 4,266,179.20
  4. Step 4: Simplify right side
    8,045,315.20x = 51,543,847,402,552.32
  5. Step 5: Solve for x
    x = 51,543,847,402,552.32/8,045,315.20
  6. Step 6: Final answer
    x = 6,406,690.87

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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.