Home / 13,217,376.69-19,822,701.15-4,117,778.18

Finding the Fourth Proportional to 13,217,376.69, 19,822,701.15 and 4,117,778.18

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Solution

The fourth proportional to 13,217,376.69, 19,822,701.15 and 4,117,778.18 is: 6,175,619.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217,376.69 : 19,822,701.15 = 4,117,778.18 : x
  2. Step 2: Convert to fraction form
    13,217,376.69/19,822,701.15 = 4,117,778.18/x
  3. Step 3: Cross multiply
    13,217,376.69x = 19,822,701.15 × 4,117,778.18
  4. Step 4: Simplify right side
    13,217,376.69x = 81,625,486,165,017.39
  5. Step 5: Solve for x
    x = 81,625,486,165,017.39/13,217,376.69
  6. Step 6: Final answer
    x = 6,175,619.27

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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.