Home / 7,869,656.17-11,790,097.89-5,705,321.02

Finding the Fourth Proportional to 7,869,656.17, 11,790,097.89 and 5,705,321.02

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Solution

The fourth proportional to 7,869,656.17, 11,790,097.89 and 5,705,321.02 is: 8,547,551.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869,656.17 : 11,790,097.89 = 5,705,321.02 : x
  2. Step 2: Convert to fraction form
    7,869,656.17/11,790,097.89 = 5,705,321.02/x
  3. Step 3: Cross multiply
    7,869,656.17x = 11,790,097.89 × 5,705,321.02
  4. Step 4: Simplify right side
    7,869,656.17x = 67,266,293,319,674.65
  5. Step 5: Solve for x
    x = 67,266,293,319,674.65/7,869,656.17
  6. Step 6: Final answer
    x = 8,547,551.74

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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.