Home / 12,765,862.70-19,150,543.65-4,245,310.70

Finding the Fourth Proportional to 12,765,862.70, 19,150,543.65 and 4,245,310.70

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Solution

The fourth proportional to 12,765,862.70, 19,150,543.65 and 4,245,310.70 is: 6,368,547.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,765,862.70 : 19,150,543.65 = 4,245,310.70 : x
  2. Step 2: Convert to fraction form
    12,765,862.70/19,150,543.65 = 4,245,310.70/x
  3. Step 3: Cross multiply
    12,765,862.70x = 19,150,543.65 × 4,245,310.70
  4. Step 4: Simplify right side
    12,765,862.70x = 81,300,007,868,162.05
  5. Step 5: Solve for x
    x = 81,300,007,868,162.05/12,765,862.70
  6. Step 6: Final answer
    x = 6,368,547.88

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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.