Home / 9,050,028.48-12,489,285.66-4,920,337.49

Finding the Fourth Proportional to 9,050,028.48, 12,489,285.66 and 4,920,337.49

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Solution

The fourth proportional to 9,050,028.48, 12,489,285.66 and 4,920,337.49 is: 6,790,199.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,050,028.48 : 12,489,285.66 = 4,920,337.49 : x
  2. Step 2: Convert to fraction form
    9,050,028.48/12,489,285.66 = 4,920,337.49/x
  3. Step 3: Cross multiply
    9,050,028.48x = 12,489,285.66 × 4,920,337.49
  4. Step 4: Simplify right side
    9,050,028.48x = 61,451,500,456,217.40
  5. Step 5: Solve for x
    x = 61,451,500,456,217.40/9,050,028.48
  6. Step 6: Final answer
    x = 6,790,199.68

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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.