Home / 27,677,291.40-38,194,433.94-15,118,356.36

Finding the Fourth Proportional to 27,677,291.40, 38,194,433.94 and 15,118,356.36

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Solution

The fourth proportional to 27,677,291.40, 38,194,433.94 and 15,118,356.36 is: 20,863,207.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,677,291.40 : 38,194,433.94 = 15,118,356.36 : x
  2. Step 2: Convert to fraction form
    27,677,291.40/38,194,433.94 = 15,118,356.36/x
  3. Step 3: Cross multiply
    27,677,291.40x = 38,194,433.94 × 15,118,356.36
  4. Step 4: Simplify right side
    27,677,291.40x = 577,437,063,273,398.75
  5. Step 5: Solve for x
    x = 577,437,063,273,398.75/27,677,291.40
  6. Step 6: Final answer
    x = 20,863,207.13

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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.