Home / 21,381,049.80-32,071,574.70-7,004,586.60

Finding the Fourth Proportional to 21,381,049.80, 32,071,574.70 and 7,004,586.60

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Solution

The fourth proportional to 21,381,049.80, 32,071,574.70 and 7,004,586.60 is: 10,506,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,381,049.80 : 32,071,574.70 = 7,004,586.60 : x
  2. Step 2: Convert to fraction form
    21,381,049.80/32,071,574.70 = 7,004,586.60/x
  3. Step 3: Cross multiply
    21,381,049.80x = 32,071,574.70 × 7,004,586.60
  4. Step 4: Simplify right side
    21,381,049.80x = 224,648,122,384,519
  5. Step 5: Solve for x
    x = 224,648,122,384,519/21,381,049.80
  6. Step 6: Final answer
    x = 10,506,879.90

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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.