Home / 7,058,127.30-9,740,221.02-3,960,223.98

Finding the Fourth Proportional to 7,058,127.30, 9,740,221.02 and 3,960,223.98

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Solution

The fourth proportional to 7,058,127.30, 9,740,221.02 and 3,960,223.98 is: 5,465,112.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,058,127.30 : 9,740,221.02 = 3,960,223.98 : x
  2. Step 2: Convert to fraction form
    7,058,127.30/9,740,221.02 = 3,960,223.98/x
  3. Step 3: Cross multiply
    7,058,127.30x = 9,740,221.02 × 3,960,223.98
  4. Step 4: Simplify right side
    7,058,127.30x = 38,573,456,853,904.05
  5. Step 5: Solve for x
    x = 38,573,456,853,904.05/7,058,127.30
  6. Step 6: Final answer
    x = 5,465,112.09

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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.