Home / 22,183,454.16-30,607,918.20-12,885,500.34

Finding the Fourth Proportional to 22,183,454.16, 30,607,918.20 and 12,885,500.34

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Solution

The fourth proportional to 22,183,454.16, 30,607,918.20 and 12,885,500.34 is: 17,778,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,183,454.16 : 30,607,918.20 = 12,885,500.34 : x
  2. Step 2: Convert to fraction form
    22,183,454.16/30,607,918.20 = 12,885,500.34/x
  3. Step 3: Cross multiply
    22,183,454.16x = 30,607,918.20 × 12,885,500.34
  4. Step 4: Simplify right side
    22,183,454.16x = 394,398,340,372,792.19
  5. Step 5: Solve for x
    x = 394,398,340,372,792.19/22,183,454.16
  6. Step 6: Final answer
    x = 17,778,941.80

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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.