Home / 9,508,995.56-13,112,489.19-5,640,769.38

Finding the Fourth Proportional to 9,508,995.56, 13,112,489.19 and 5,640,769.38

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Solution

The fourth proportional to 9,508,995.56, 13,112,489.19 and 5,640,769.38 is: 7,778,374.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,508,995.56 : 13,112,489.19 = 5,640,769.38 : x
  2. Step 2: Convert to fraction form
    9,508,995.56/13,112,489.19 = 5,640,769.38/x
  3. Step 3: Cross multiply
    9,508,995.56x = 13,112,489.19 × 5,640,769.38
  4. Step 4: Simplify right side
    9,508,995.56x = 73,964,527,518,533
  5. Step 5: Solve for x
    x = 73,964,527,518,533/9,508,995.56
  6. Step 6: Final answer
    x = 7,778,374.39

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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.