Home / 19,681,790.22-27,160,882.18-10,979,962.81

Finding the Fourth Proportional to 19,681,790.22, 27,160,882.18 and 10,979,962.81

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Solution

The fourth proportional to 19,681,790.22, 27,160,882.18 and 10,979,962.81 is: 15,152,355.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,790.22 : 27,160,882.18 = 10,979,962.81 : x
  2. Step 2: Convert to fraction form
    19,681,790.22/27,160,882.18 = 10,979,962.81/x
  3. Step 3: Cross multiply
    19,681,790.22x = 27,160,882.18 × 10,979,962.81
  4. Step 4: Simplify right side
    19,681,790.22x = 298,225,476,127,839.56
  5. Step 5: Solve for x
    x = 298,225,476,127,839.56/19,681,790.22
  6. Step 6: Final answer
    x = 15,152,355.19

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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.