Home / 7,869,656.52-11,790,098.42-5,705,321.40

Finding the Fourth Proportional to 7,869,656.52, 11,790,098.42 and 5,705,321.40

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Solution

The fourth proportional to 7,869,656.52, 11,790,098.42 and 5,705,321.40 is: 8,547,552.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869,656.52 : 11,790,098.42 = 5,705,321.40 : x
  2. Step 2: Convert to fraction form
    7,869,656.52/11,790,098.42 = 5,705,321.40/x
  3. Step 3: Cross multiply
    7,869,656.52x = 11,790,098.42 × 5,705,321.40
  4. Step 4: Simplify right side
    7,869,656.52x = 67,266,300,795,205.58
  5. Step 5: Solve for x
    x = 67,266,300,795,205.58/7,869,656.52
  6. Step 6: Final answer
    x = 8,547,552.31

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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.