Home / 30,454,321.04-41,980,469.33-18,671,775.85

Finding the Fourth Proportional to 30,454,321.04, 41,980,469.33 and 18,671,775.85

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Solution

The fourth proportional to 30,454,321.04, 41,980,469.33 and 18,671,775.85 is: 25,738,545.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,454,321.04 : 41,980,469.33 = 18,671,775.85 : x
  2. Step 2: Convert to fraction form
    30,454,321.04/41,980,469.33 = 18,671,775.85/x
  3. Step 3: Cross multiply
    30,454,321.04x = 41,980,469.33 × 18,671,775.85
  4. Step 4: Simplify right side
    30,454,321.04x = 783,849,913,506,714.75
  5. Step 5: Solve for x
    x = 783,849,913,506,714.75/30,454,321.04
  6. Step 6: Final answer
    x = 25,738,545.03

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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.