Home / 21,919,228.36-32,891,831.51-12,211,966.42

Finding the Fourth Proportional to 21,919,228.36, 32,891,831.51 and 12,211,966.42

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Solution

The fourth proportional to 21,919,228.36, 32,891,831.51 and 12,211,966.42 is: 18,325,186.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,919,228.36 : 32,891,831.51 = 12,211,966.42 : x
  2. Step 2: Convert to fraction form
    21,919,228.36/32,891,831.51 = 12,211,966.42/x
  3. Step 3: Cross multiply
    21,919,228.36x = 32,891,831.51 × 12,211,966.42
  4. Step 4: Simplify right side
    21,919,228.36x = 401,673,941,892,417.94
  5. Step 5: Solve for x
    x = 401,673,941,892,417.94/21,919,228.36
  6. Step 6: Final answer
    x = 18,325,186.24

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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.