Home / 14,946,779.16-20,628,079.02-9,149,392.20

Finding the Fourth Proportional to 14,946,779.16, 20,628,079.02 and 9,149,392.20

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Solution

The fourth proportional to 14,946,779.16, 20,628,079.02 and 9,149,392.20 is: 12,627,093.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,946,779.16 : 20,628,079.02 = 9,149,392.20 : x
  2. Step 2: Convert to fraction form
    14,946,779.16/20,628,079.02 = 9,149,392.20/x
  3. Step 3: Cross multiply
    14,946,779.16x = 20,628,079.02 × 9,149,392.20
  4. Step 4: Simplify right side
    14,946,779.16x = 188,734,385,286,571.62
  5. Step 5: Solve for x
    x = 188,734,385,286,571.62/14,946,779.16
  6. Step 6: Final answer
    x = 12,627,093.99

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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.