Home / 9,515,614-13,131,561.75-5,164,701.90

Finding the Fourth Proportional to 9,515,614, 13,131,561.75 and 5,164,701.90

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Solution

The fourth proportional to 9,515,614, 13,131,561.75 and 5,164,701.90 is: 7,127,296.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,614 : 13,131,561.75 = 5,164,701.90 : x
  2. Step 2: Convert to fraction form
    9,515,614/13,131,561.75 = 5,164,701.90/x
  3. Step 3: Cross multiply
    9,515,614x = 13,131,561.75 × 5,164,701.90
  4. Step 4: Simplify right side
    9,515,614x = 67,820,601,920,192.33
  5. Step 5: Solve for x
    x = 67,820,601,920,192.33/9,515,614
  6. Step 6: Final answer
    x = 7,127,296.45

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1.5x scale

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.