Home / 13,262,979.28-19,894,467.75-3,678,357.70

Finding the Fourth Proportional to 13,262,979.28, 19,894,467.75 and 3,678,357.70

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Solution

The fourth proportional to 13,262,979.28, 19,894,467.75 and 3,678,357.70 is: 5,517,536.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262,979.28 : 19,894,467.75 = 3,678,357.70 : x
  2. Step 2: Convert to fraction form
    13,262,979.28/19,894,467.75 = 3,678,357.70/x
  3. Step 3: Cross multiply
    13,262,979.28x = 19,894,467.75 × 3,678,357.70
  4. Step 4: Simplify right side
    13,262,979.28x = 73,178,968,635,614.17
  5. Step 5: Solve for x
    x = 73,178,968,635,614.17/13,262,979.28
  6. Step 6: Final answer
    x = 5,517,536.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.