Home / 19,118,696.26-28,650,225.72-11,816,565.70

Finding the Fourth Proportional to 19,118,696.26, 28,650,225.72 and 11,816,565.70

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Solution

The fourth proportional to 19,118,696.26, 28,650,225.72 and 11,816,565.70 is: 17,707,654.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118,696.26 : 28,650,225.72 = 11,816,565.70 : x
  2. Step 2: Convert to fraction form
    19,118,696.26/28,650,225.72 = 11,816,565.70/x
  3. Step 3: Cross multiply
    19,118,696.26x = 28,650,225.72 × 11,816,565.70
  4. Step 4: Simplify right side
    19,118,696.26x = 338,547,274,540,209.75
  5. Step 5: Solve for x
    x = 338,547,274,540,209.75/19,118,696.26
  6. Step 6: Final answer
    x = 17,707,654.85

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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.