Home / 7,153,045.20-9,871,272.44-3,889,930.44

Finding the Fourth Proportional to 7,153,045.20, 9,871,272.44 and 3,889,930.44

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Solution

The fourth proportional to 7,153,045.20, 9,871,272.44 and 3,889,930.44 is: 5,368,142.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153,045.20 : 9,871,272.44 = 3,889,930.44 : x
  2. Step 2: Convert to fraction form
    7,153,045.20/9,871,272.44 = 3,889,930.44/x
  3. Step 3: Cross multiply
    7,153,045.20x = 9,871,272.44 × 3,889,930.44
  4. Step 4: Simplify right side
    7,153,045.20x = 38,398,563,145,889.07
  5. Step 5: Solve for x
    x = 38,398,563,145,889.07/7,153,045.20
  6. Step 6: Final answer
    x = 5,368,142.11

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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.