Home / 39,889,065.06-55,046,908.65-21,554,350.02

Finding the Fourth Proportional to 39,889,065.06, 55,046,908.65 and 21,554,350.02

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Solution

The fourth proportional to 39,889,065.06, 55,046,908.65 and 21,554,350.02 is: 29,745,002.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,889,065.06 : 55,046,908.65 = 21,554,350.02 : x
  2. Step 2: Convert to fraction form
    39,889,065.06/55,046,908.65 = 21,554,350.02/x
  3. Step 3: Cross multiply
    39,889,065.06x = 55,046,908.65 × 21,554,350.02
  4. Step 4: Simplify right side
    39,889,065.06x = 1,186,500,336,561,065.50
  5. Step 5: Solve for x
    x = 1,186,500,336,561,065.50/39,889,065.06
  6. Step 6: Final answer
    x = 29,745,002.42

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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.