Home / 20,124,032.72-27,788,426.27-19,473,287.46

Finding the Fourth Proportional to 20,124,032.72, 27,788,426.27 and 19,473,287.46

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Solution

The fourth proportional to 20,124,032.72, 27,788,426.27 and 19,473,287.46 is: 26,889,839.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,124,032.72 : 27,788,426.27 = 19,473,287.46 : x
  2. Step 2: Convert to fraction form
    20,124,032.72/27,788,426.27 = 19,473,287.46/x
  3. Step 3: Cross multiply
    20,124,032.72x = 27,788,426.27 × 19,473,287.46
  4. Step 4: Simplify right side
    20,124,032.72x = 541,132,012,719,359.19
  5. Step 5: Solve for x
    x = 541,132,012,719,359.19/20,124,032.72
  6. Step 6: Final answer
    x = 26,889,839.65

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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.