Home / 34,136,077.76-47,103,918.36-20,197,860.20

Finding the Fourth Proportional to 34,136,077.76, 47,103,918.36 and 20,197,860.20

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Solution

The fourth proportional to 34,136,077.76, 47,103,918.36 and 20,197,860.20 is: 27,870,757.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,136,077.76 : 47,103,918.36 = 20,197,860.20 : x
  2. Step 2: Convert to fraction form
    34,136,077.76/47,103,918.36 = 20,197,860.20/x
  3. Step 3: Cross multiply
    34,136,077.76x = 47,103,918.36 × 20,197,860.20
  4. Step 4: Simplify right side
    34,136,077.76x = 951,398,357,907,493.25
  5. Step 5: Solve for x
    x = 951,398,357,907,493.25/34,136,077.76
  6. Step 6: Final answer
    x = 27,870,757.87

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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.