Home / 19,617,746.40-29,433,234.78-8,686,443.65

Finding the Fourth Proportional to 19,617,746.40, 29,433,234.78 and 8,686,443.65

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Solution

The fourth proportional to 19,617,746.40, 29,433,234.78 and 8,686,443.65 is: 13,032,594.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617,746.40 : 29,433,234.78 = 8,686,443.65 : x
  2. Step 2: Convert to fraction form
    19,617,746.40/29,433,234.78 = 8,686,443.65/x
  3. Step 3: Cross multiply
    19,617,746.40x = 29,433,234.78 × 8,686,443.65
  4. Step 4: Simplify right side
    19,617,746.40x = 255,670,135,206,523.97
  5. Step 5: Solve for x
    x = 255,670,135,206,523.97/19,617,746.40
  6. Step 6: Final answer
    x = 13,032,594.57

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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.