Home / 9,515,189.51-13,130,974.49-5,164,275.87

Finding the Fourth Proportional to 9,515,189.51, 13,130,974.49 and 5,164,275.87

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Solution

The fourth proportional to 9,515,189.51, 13,130,974.49 and 5,164,275.87 is: 7,126,707.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,189.51 : 13,130,974.49 = 5,164,275.87 : x
  2. Step 2: Convert to fraction form
    9,515,189.51/13,130,974.49 = 5,164,275.87/x
  3. Step 3: Cross multiply
    9,515,189.51x = 13,130,974.49 × 5,164,275.87
  4. Step 4: Simplify right side
    9,515,189.51x = 67,811,974,708,292.56
  5. Step 5: Solve for x
    x = 67,811,974,708,292.56/9,515,189.51
  6. Step 6: Final answer
    x = 7,126,707.74

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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.