Home / 7,074,947.38-9,762,208.44-3,977,041.36

Finding the Fourth Proportional to 7,074,947.38, 9,762,208.44 and 3,977,041.36

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Solution

The fourth proportional to 7,074,947.38, 9,762,208.44 and 3,977,041.36 is: 5,487,631.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074,947.38 : 9,762,208.44 = 3,977,041.36 : x
  2. Step 2: Convert to fraction form
    7,074,947.38/9,762,208.44 = 3,977,041.36/x
  3. Step 3: Cross multiply
    7,074,947.38x = 9,762,208.44 × 3,977,041.36
  4. Step 4: Simplify right side
    7,074,947.38x = 38,824,706,730,821.08
  5. Step 5: Solve for x
    x = 38,824,706,730,821.08/7,074,947.38
  6. Step 6: Final answer
    x = 5,487,631.87

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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.