Home / 22,183,442.91-30,607,902.77-12,885,489

Finding the Fourth Proportional to 22,183,442.91, 30,607,902.77 and 12,885,489

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Solution

The fourth proportional to 22,183,442.91, 30,607,902.77 and 12,885,489 is: 17,778,926.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,183,442.91 : 30,607,902.77 = 12,885,489 : x
  2. Step 2: Convert to fraction form
    22,183,442.91/30,607,902.77 = 12,885,489/x
  3. Step 3: Cross multiply
    22,183,442.91x = 30,607,902.77 × 12,885,489
  4. Step 4: Simplify right side
    22,183,442.91x = 394,397,794,391,477.06
  5. Step 5: Solve for x
    x = 394,397,794,391,477.06/22,183,442.91
  6. Step 6: Final answer
    x = 17,778,926.20

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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.