Home / 26,230,431.80-39,345,647.70-9,188,890.40

Finding the Fourth Proportional to 26,230,431.80, 39,345,647.70 and 9,188,890.40

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Solution

The fourth proportional to 26,230,431.80, 39,345,647.70 and 9,188,890.40 is: 13,783,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,230,431.80 : 39,345,647.70 = 9,188,890.40 : x
  2. Step 2: Convert to fraction form
    26,230,431.80/39,345,647.70 = 9,188,890.40/x
  3. Step 3: Cross multiply
    26,230,431.80x = 39,345,647.70 × 9,188,890.40
  4. Step 4: Simplify right side
    26,230,431.80x = 361,542,844,432,312.12
  5. Step 5: Solve for x
    x = 361,542,844,432,312.12/26,230,431.80
  6. Step 6: Final answer
    x = 13,783,335.60

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1.5x scale

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.