Home / 52,278,418.80-78,417,628.20-18,188,434.80

Finding the Fourth Proportional to 52,278,418.80, 78,417,628.20 and 18,188,434.80

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Solution

The fourth proportional to 52,278,418.80, 78,417,628.20 and 18,188,434.80 is: 27,282,652.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,278,418.80 : 78,417,628.20 = 18,188,434.80 : x
  2. Step 2: Convert to fraction form
    52,278,418.80/78,417,628.20 = 18,188,434.80/x
  3. Step 3: Cross multiply
    52,278,418.80x = 78,417,628.20 × 18,188,434.80
  4. Step 4: Simplify right side
    52,278,418.80x = 1,426,293,917,686,341.50
  5. Step 5: Solve for x
    x = 1,426,293,917,686,341.50/52,278,418.80
  6. Step 6: Final answer
    x = 27,282,652.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.