Home / 21,805,373.85-30,091,617.72-12,016,168.37

Finding the Fourth Proportional to 21,805,373.85, 30,091,617.72 and 12,016,168.37

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Solution

The fourth proportional to 21,805,373.85, 30,091,617.72 and 12,016,168.37 is: 16,582,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,805,373.85 : 30,091,617.72 = 12,016,168.37 : x
  2. Step 2: Convert to fraction form
    21,805,373.85/30,091,617.72 = 12,016,168.37/x
  3. Step 3: Cross multiply
    21,805,373.85x = 30,091,617.72 × 12,016,168.37
  4. Step 4: Simplify right side
    21,805,373.85x = 361,585,944,898,737.44
  5. Step 5: Solve for x
    x = 361,585,944,898,737.44/21,805,373.85
  6. Step 6: Final answer
    x = 16,582,423.55

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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.