Home / 12,112,030.20-18,177,959.70-12,017,551.80

Finding the Fourth Proportional to 12,112,030.20, 18,177,959.70 and 12,017,551.80

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Solution

The fourth proportional to 12,112,030.20, 18,177,959.70 and 12,017,551.80 is: 18,036,164.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112,030.20 : 18,177,959.70 = 12,017,551.80 : x
  2. Step 2: Convert to fraction form
    12,112,030.20/18,177,959.70 = 12,017,551.80/x
  3. Step 3: Cross multiply
    12,112,030.20x = 18,177,959.70 × 12,017,551.80
  4. Step 4: Simplify right side
    12,112,030.20x = 218,454,572,313,062.47
  5. Step 5: Solve for x
    x = 218,454,572,313,062.47/12,112,030.20
  6. Step 6: Final answer
    x = 18,036,164.76

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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.