Home / 55,248,012.33-82,849,217.73-18,859,333.65

Finding the Fourth Proportional to 55,248,012.33, 82,849,217.73 and 18,859,333.65

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Solution

The fourth proportional to 55,248,012.33, 82,849,217.73 and 18,859,333.65 is: 28,281,217.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,248,012.33 : 82,849,217.73 = 18,859,333.65 : x
  2. Step 2: Convert to fraction form
    55,248,012.33/82,849,217.73 = 18,859,333.65/x
  3. Step 3: Cross multiply
    55,248,012.33x = 82,849,217.73 × 18,859,333.65
  4. Step 4: Simplify right side
    55,248,012.33x = 1,562,481,039,811,565.50
  5. Step 5: Solve for x
    x = 1,562,481,039,811,565.50/55,248,012.33
  6. Step 6: Final answer
    x = 28,281,217.26

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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.