Home / 21,041,119.40-31,559,346.30-17,247,986.60

Finding the Fourth Proportional to 21,041,119.40, 31,559,346.30 and 17,247,986.60

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Solution

The fourth proportional to 21,041,119.40, 31,559,346.30 and 17,247,986.60 is: 25,870,067.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,041,119.40 : 31,559,346.30 = 17,247,986.60 : x
  2. Step 2: Convert to fraction form
    21,041,119.40/31,559,346.30 = 17,247,986.60/x
  3. Step 3: Cross multiply
    21,041,119.40x = 31,559,346.30 × 17,247,986.60
  4. Step 4: Simplify right side
    21,041,119.40x = 544,335,182,087,159.62
  5. Step 5: Solve for x
    x = 544,335,182,087,159.62/21,041,119.40
  6. Step 6: Final answer
    x = 25,870,067.64

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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.