Home / 19,966,443.91-29,870,864.10-15,122,703.65

Finding the Fourth Proportional to 19,966,443.91, 29,870,864.10 and 15,122,703.65

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Solution

The fourth proportional to 19,966,443.91, 29,870,864.10 and 15,122,703.65 is: 22,624,370.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966,443.91 : 29,870,864.10 = 15,122,703.65 : x
  2. Step 2: Convert to fraction form
    19,966,443.91/29,870,864.10 = 15,122,703.65/x
  3. Step 3: Cross multiply
    19,966,443.91x = 29,870,864.10 × 15,122,703.65
  4. Step 4: Simplify right side
    19,966,443.91x = 451,728,225,404,369.62
  5. Step 5: Solve for x
    x = 451,728,225,404,369.62/19,966,443.91
  6. Step 6: Final answer
    x = 22,624,370.54

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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.