Home / 20,968,298.36-31,437,833.51-9,290,322.22

Finding the Fourth Proportional to 20,968,298.36, 31,437,833.51 and 9,290,322.22

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Solution

The fourth proportional to 20,968,298.36, 31,437,833.51 and 9,290,322.22 is: 13,929,008.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,968,298.36 : 31,437,833.51 = 9,290,322.22 : x
  2. Step 2: Convert to fraction form
    20,968,298.36/31,437,833.51 = 9,290,322.22/x
  3. Step 3: Cross multiply
    20,968,298.36x = 31,437,833.51 × 9,290,322.22
  4. Step 4: Simplify right side
    20,968,298.36x = 292,067,603,002,972.81
  5. Step 5: Solve for x
    x = 292,067,603,002,972.81/20,968,298.36
  6. Step 6: Final answer
    x = 13,929,008.36

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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.