Home / 52,509,146.20-72,466,628.15-28,992,216.75

Finding the Fourth Proportional to 52,509,146.20, 72,466,628.15 and 28,992,216.75

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Solution

The fourth proportional to 52,509,146.20, 72,466,628.15 and 28,992,216.75 is: 40,011,471.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,509,146.20 : 72,466,628.15 = 28,992,216.75 : x
  2. Step 2: Convert to fraction form
    52,509,146.20/72,466,628.15 = 28,992,216.75/x
  3. Step 3: Cross multiply
    52,509,146.20x = 72,466,628.15 × 28,992,216.75
  4. Step 4: Simplify right side
    52,509,146.20x = 2,100,968,190,466,451.75
  5. Step 5: Solve for x
    x = 2,100,968,190,466,451.75/52,509,146.20
  6. Step 6: Final answer
    x = 40,011,471.19

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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.