Home / 20,518,039.80-28,314,682.02-11,225,522.04

Finding the Fourth Proportional to 20,518,039.80, 28,314,682.02 and 11,225,522.04

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Solution

The fourth proportional to 20,518,039.80, 28,314,682.02 and 11,225,522.04 is: 15,491,103.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,518,039.80 : 28,314,682.02 = 11,225,522.04 : x
  2. Step 2: Convert to fraction form
    20,518,039.80/28,314,682.02 = 11,225,522.04/x
  3. Step 3: Cross multiply
    20,518,039.80x = 28,314,682.02 × 11,225,522.04
  4. Step 4: Simplify right side
    20,518,039.80x = 317,847,087,071,101.69
  5. Step 5: Solve for x
    x = 317,847,087,071,101.69/20,518,039.80
  6. Step 6: Final answer
    x = 15,491,103.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.