Home / 27,808,898.94-38,374,943.40-15,419,495.88

Finding the Fourth Proportional to 27,808,898.94, 38,374,943.40 and 15,419,495.88

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Solution

The fourth proportional to 27,808,898.94, 38,374,943.40 and 15,419,495.88 is: 21,278,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,808,898.94 : 38,374,943.40 = 15,419,495.88 : x
  2. Step 2: Convert to fraction form
    27,808,898.94/38,374,943.40 = 15,419,495.88/x
  3. Step 3: Cross multiply
    27,808,898.94x = 38,374,943.40 × 15,419,495.88
  4. Step 4: Simplify right side
    27,808,898.94x = 591,722,281,651,533.25
  5. Step 5: Solve for x
    x = 591,722,281,651,533.25/27,808,898.94
  6. Step 6: Final answer
    x = 21,278,162.90

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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.