Home / 40,513,578.95-55,908,741.68-22,178,864.45

Finding the Fourth Proportional to 40,513,578.95, 55,908,741.68 and 22,178,864.45

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Solution

The fourth proportional to 40,513,578.95, 55,908,741.68 and 22,178,864.45 is: 30,606,834.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,513,578.95 : 55,908,741.68 = 22,178,864.45 : x
  2. Step 2: Convert to fraction form
    40,513,578.95/55,908,741.68 = 22,178,864.45/x
  3. Step 3: Cross multiply
    40,513,578.95x = 55,908,741.68 × 22,178,864.45
  4. Step 4: Simplify right side
    40,513,578.95x = 1,239,992,403,290,785.25
  5. Step 5: Solve for x
    x = 1,239,992,403,290,785.25/40,513,578.95
  6. Step 6: Final answer
    x = 30,606,834.43

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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.