Home / 27,982,953.06-38,632,860.81-18,341,957.22

Finding the Fourth Proportional to 27,982,953.06, 38,632,860.81 and 18,341,957.22

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Solution

The fourth proportional to 27,982,953.06, 38,632,860.81 and 18,341,957.22 is: 25,322,641.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,982,953.06 : 38,632,860.81 = 18,341,957.22 : x
  2. Step 2: Convert to fraction form
    27,982,953.06/38,632,860.81 = 18,341,957.22/x
  3. Step 3: Cross multiply
    27,982,953.06x = 38,632,860.81 × 18,341,957.22
  4. Step 4: Simplify right side
    27,982,953.06x = 708,602,280,263,234.50
  5. Step 5: Solve for x
    x = 708,602,280,263,234.50/27,982,953.06
  6. Step 6: Final answer
    x = 25,322,641.21

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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.