Home / 20,687,058.68-31,009,296.57-9,177,946.10

Finding the Fourth Proportional to 20,687,058.68, 31,009,296.57 and 9,177,946.10

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Solution

The fourth proportional to 20,687,058.68, 31,009,296.57 and 9,177,946.10 is: 13,757,473.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,687,058.68 : 31,009,296.57 = 9,177,946.10 : x
  2. Step 2: Convert to fraction form
    20,687,058.68/31,009,296.57 = 9,177,946.10/x
  3. Step 3: Cross multiply
    20,687,058.68x = 31,009,296.57 × 9,177,946.10
  4. Step 4: Simplify right side
    20,687,058.68x = 284,601,652,518,374.88
  5. Step 5: Solve for x
    x = 284,601,652,518,374.88/20,687,058.68
  6. Step 6: Final answer
    x = 13,757,473.06

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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.