Home / 30,454,333.83-41,980,486.92-18,671,788.65

Finding the Fourth Proportional to 30,454,333.83, 41,980,486.92 and 18,671,788.65

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Solution

The fourth proportional to 30,454,333.83, 41,980,486.92 and 18,671,788.65 is: 25,738,562.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,454,333.83 : 41,980,486.92 = 18,671,788.65 : x
  2. Step 2: Convert to fraction form
    30,454,333.83/41,980,486.92 = 18,671,788.65/x
  3. Step 3: Cross multiply
    30,454,333.83x = 41,980,486.92 × 18,671,788.65
  4. Step 4: Simplify right side
    30,454,333.83x = 783,850,779,194,329.38
  5. Step 5: Solve for x
    x = 783,850,779,194,329.38/30,454,333.83
  6. Step 6: Final answer
    x = 25,738,562.65

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1.5x scale

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.