Home / 40,513,576.82-55,908,738.75-22,178,862.32

Finding the Fourth Proportional to 40,513,576.82, 55,908,738.75 and 22,178,862.32

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Solution

The fourth proportional to 40,513,576.82, 55,908,738.75 and 22,178,862.32 is: 30,606,831.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,513,576.82 : 55,908,738.75 = 22,178,862.32 : x
  2. Step 2: Convert to fraction form
    40,513,576.82/55,908,738.75 = 22,178,862.32/x
  3. Step 3: Cross multiply
    40,513,576.82x = 55,908,738.75 × 22,178,862.32
  4. Step 4: Simplify right side
    40,513,576.82x = 1,239,992,219,277,700.25
  5. Step 5: Solve for x
    x = 1,239,992,219,277,700.25/40,513,576.82
  6. Step 6: Final answer
    x = 30,606,831.50

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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.