Home / 21,660,831.90-32,490,997.37-5,266,209.20

Finding the Fourth Proportional to 21,660,831.90, 32,490,997.37 and 5,266,209.20

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Solution

The fourth proportional to 21,660,831.90, 32,490,997.37 and 5,266,209.20 is: 7,899,252.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,660,831.90 : 32,490,997.37 = 5,266,209.20 : x
  2. Step 2: Convert to fraction form
    21,660,831.90/32,490,997.37 = 5,266,209.20/x
  3. Step 3: Cross multiply
    21,660,831.90x = 32,490,997.37 × 5,266,209.20
  4. Step 4: Simplify right side
    21,660,831.90x = 171,104,389,401,797.28
  5. Step 5: Solve for x
    x = 171,104,389,401,797.28/21,660,831.90
  6. Step 6: Final answer
    x = 7,899,252.91

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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.