Home / 9,853,136.80-13,603,726.86-8,818,853.47

Finding the Fourth Proportional to 9,853,136.80, 13,603,726.86 and 8,818,853.47

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Solution

The fourth proportional to 9,853,136.80, 13,603,726.86 and 8,818,853.47 is: 12,175,744.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,853,136.80 : 13,603,726.86 = 8,818,853.47 : x
  2. Step 2: Convert to fraction form
    9,853,136.80/13,603,726.86 = 8,818,853.47/x
  3. Step 3: Cross multiply
    9,853,136.80x = 13,603,726.86 × 8,818,853.47
  4. Step 4: Simplify right side
    9,853,136.80x = 119,969,273,824,243.20
  5. Step 5: Solve for x
    x = 119,969,273,824,243.20/9,853,136.80
  6. Step 6: Final answer
    x = 12,175,744.26

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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.