Home / 15,479,927.72-21,362,313.92-8,510,723.83

Finding the Fourth Proportional to 15,479,927.72, 21,362,313.92 and 8,510,723.83

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Solution

The fourth proportional to 15,479,927.72, 21,362,313.92 and 8,510,723.83 is: 11,744,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,479,927.72 : 21,362,313.92 = 8,510,723.83 : x
  2. Step 2: Convert to fraction form
    15,479,927.72/21,362,313.92 = 8,510,723.83/x
  3. Step 3: Cross multiply
    15,479,927.72x = 21,362,313.92 × 8,510,723.83
  4. Step 4: Simplify right side
    15,479,927.72x = 181,808,754,084,785.62
  5. Step 5: Solve for x
    x = 181,808,754,084,785.62/15,479,927.72
  6. Step 6: Final answer
    x = 11,744,806.40

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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.