Home / 30,804,788.20-46,207,182.30-8,087,981.80

Finding the Fourth Proportional to 30,804,788.20, 46,207,182.30 and 8,087,981.80

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Solution

The fourth proportional to 30,804,788.20, 46,207,182.30 and 8,087,981.80 is: 12,131,972.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,804,788.20 : 46,207,182.30 = 8,087,981.80 : x
  2. Step 2: Convert to fraction form
    30,804,788.20/46,207,182.30 = 8,087,981.80/x
  3. Step 3: Cross multiply
    30,804,788.20x = 46,207,182.30 × 8,087,981.80
  4. Step 4: Simplify right side
    30,804,788.20x = 373,722,849,471,682.12
  5. Step 5: Solve for x
    x = 373,722,849,471,682.12/30,804,788.20
  6. Step 6: Final answer
    x = 12,131,972.70

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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.