Home / 30,755,792.56-42,441,649.68-16,816,884.88

Finding the Fourth Proportional to 30,755,792.56, 42,441,649.68 and 16,816,884.88

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Solution

The fourth proportional to 30,755,792.56, 42,441,649.68 and 16,816,884.88 is: 23,206,566.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,755,792.56 : 42,441,649.68 = 16,816,884.88 : x
  2. Step 2: Convert to fraction form
    30,755,792.56/42,441,649.68 = 16,816,884.88/x
  3. Step 3: Cross multiply
    30,755,792.56x = 42,441,649.68 × 16,816,884.88
  4. Step 4: Simplify right side
    30,755,792.56x = 713,736,336,785,848.75
  5. Step 5: Solve for x
    x = 713,736,336,785,848.75/30,755,792.56
  6. Step 6: Final answer
    x = 23,206,566.22

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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.