Home / 21,727,266.40-32,615,782.80-12,756,872.80

Finding the Fourth Proportional to 21,727,266.40, 32,615,782.80 and 12,756,872.80

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Solution

The fourth proportional to 21,727,266.40, 32,615,782.80 and 12,756,872.80 is: 19,149,919.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,727,266.40 : 32,615,782.80 = 12,756,872.80 : x
  2. Step 2: Convert to fraction form
    21,727,266.40/32,615,782.80 = 12,756,872.80/x
  3. Step 3: Cross multiply
    21,727,266.40x = 32,615,782.80 × 12,756,872.80
  4. Step 4: Simplify right side
    21,727,266.40x = 416,075,392,452,027.88
  5. Step 5: Solve for x
    x = 416,075,392,452,027.88/21,727,266.40
  6. Step 6: Final answer
    x = 19,149,919.04

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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.