Home / 7,074,946.38-9,762,207.06-3,977,040.36

Finding the Fourth Proportional to 7,074,946.38, 9,762,207.06 and 3,977,040.36

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Solution

The fourth proportional to 7,074,946.38, 9,762,207.06 and 3,977,040.36 is: 5,487,630.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074,946.38 : 9,762,207.06 = 3,977,040.36 : x
  2. Step 2: Convert to fraction form
    7,074,946.38/9,762,207.06 = 3,977,040.36/x
  3. Step 3: Cross multiply
    7,074,946.38x = 9,762,207.06 × 3,977,040.36
  4. Step 4: Simplify right side
    7,074,946.38x = 38,824,691,480,296.95
  5. Step 5: Solve for x
    x = 38,824,691,480,296.95/7,074,946.38
  6. Step 6: Final answer
    x = 5,487,630.49

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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.