Home / 28,015,986.70-38,656,182.18-17,008,532.20

Finding the Fourth Proportional to 28,015,986.70, 38,656,182.18 and 17,008,532.20

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Solution

The fourth proportional to 28,015,986.70, 38,656,182.18 and 17,008,532.20 is: 23,468,205.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,015,986.70 : 38,656,182.18 = 17,008,532.20 : x
  2. Step 2: Convert to fraction form
    28,015,986.70/38,656,182.18 = 17,008,532.20/x
  3. Step 3: Cross multiply
    28,015,986.70x = 38,656,182.18 × 17,008,532.20
  4. Step 4: Simplify right side
    28,015,986.70x = 657,484,919,337,596.12
  5. Step 5: Solve for x
    x = 657,484,919,337,596.12/28,015,986.70
  6. Step 6: Final answer
    x = 23,468,205.01

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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.