Home / 7,350,576.49-10,143,803.91-4,087,321.17

Finding the Fourth Proportional to 7,350,576.49, 10,143,803.91 and 4,087,321.17

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Solution

The fourth proportional to 7,350,576.49, 10,143,803.91 and 4,087,321.17 is: 5,640,507.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350,576.49 : 10,143,803.91 = 4,087,321.17 : x
  2. Step 2: Convert to fraction form
    7,350,576.49/10,143,803.91 = 4,087,321.17/x
  3. Step 3: Cross multiply
    7,350,576.49x = 10,143,803.91 × 4,087,321.17
  4. Step 4: Simplify right side
    7,350,576.49x = 41,460,984,442,959.96
  5. Step 5: Solve for x
    x = 41,460,984,442,959.96/7,350,576.49
  6. Step 6: Final answer
    x = 5,640,507.86

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Double scale
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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.