Home / 18,073,012.40-27,109,345.80-4,426,218.80

Finding the Fourth Proportional to 18,073,012.40, 27,109,345.80 and 4,426,218.80

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Solution

The fourth proportional to 18,073,012.40, 27,109,345.80 and 4,426,218.80 is: 6,639,285.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,073,012.40 : 27,109,345.80 = 4,426,218.80 : x
  2. Step 2: Convert to fraction form
    18,073,012.40/27,109,345.80 = 4,426,218.80/x
  3. Step 3: Cross multiply
    18,073,012.40x = 27,109,345.80 × 4,426,218.80
  4. Step 4: Simplify right side
    18,073,012.40x = 119,991,896,035,661.03
  5. Step 5: Solve for x
    x = 119,991,896,035,661.03/18,073,012.40
  6. Step 6: Final answer
    x = 6,639,285.88

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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.