Home / 21,556,411.20-32,334,616.80-13,903,660.80

Finding the Fourth Proportional to 21,556,411.20, 32,334,616.80 and 13,903,660.80

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Solution

The fourth proportional to 21,556,411.20, 32,334,616.80 and 13,903,660.80 is: 20,855,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,556,411.20 : 32,334,616.80 = 13,903,660.80 : x
  2. Step 2: Convert to fraction form
    21,556,411.20/32,334,616.80 = 13,903,660.80/x
  3. Step 3: Cross multiply
    21,556,411.20x = 32,334,616.80 × 13,903,660.80
  4. Step 4: Simplify right side
    21,556,411.20x = 449,569,544,085,181.50
  5. Step 5: Solve for x
    x = 449,569,544,085,181.50/21,556,411.20
  6. Step 6: Final answer
    x = 20,855,491.20

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1.5x scale

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.