Home / 9,515,613.77-13,131,561.40-5,164,701.65

Finding the Fourth Proportional to 9,515,613.77, 13,131,561.40 and 5,164,701.65

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Solution

The fourth proportional to 9,515,613.77, 13,131,561.40 and 5,164,701.65 is: 7,127,296.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,613.77 : 13,131,561.40 = 5,164,701.65 : x
  2. Step 2: Convert to fraction form
    9,515,613.77/13,131,561.40 = 5,164,701.65/x
  3. Step 3: Cross multiply
    9,515,613.77x = 13,131,561.40 × 5,164,701.65
  4. Step 4: Simplify right side
    9,515,613.77x = 67,820,596,751,086.75
  5. Step 5: Solve for x
    x = 67,820,596,751,086.75/9,515,613.77
  6. Step 6: Final answer
    x = 7,127,296.09

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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.