Home / 15,853,191.93-21,877,281.59-8,609,847.93

Finding the Fourth Proportional to 15,853,191.93, 21,877,281.59 and 8,609,847.93

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Solution

The fourth proportional to 15,853,191.93, 21,877,281.59 and 8,609,847.93 is: 11,881,523.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,853,191.93 : 21,877,281.59 = 8,609,847.93 : x
  2. Step 2: Convert to fraction form
    15,853,191.93/21,877,281.59 = 8,609,847.93/x
  3. Step 3: Cross multiply
    15,853,191.93x = 21,877,281.59 × 8,609,847.93
  4. Step 4: Simplify right side
    15,853,191.93x = 188,360,067,568,639.38
  5. Step 5: Solve for x
    x = 188,360,067,568,639.38/15,853,191.93
  6. Step 6: Final answer
    x = 11,881,523.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.