Home / 29,247,331.80-40,348,812.78-17,638,295.16

Finding the Fourth Proportional to 29,247,331.80, 40,348,812.78 and 17,638,295.16

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Solution

The fourth proportional to 29,247,331.80, 40,348,812.78 and 17,638,295.16 is: 24,333,305.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,247,331.80 : 40,348,812.78 = 17,638,295.16 : x
  2. Step 2: Convert to fraction form
    29,247,331.80/40,348,812.78 = 17,638,295.16/x
  3. Step 3: Cross multiply
    29,247,331.80x = 40,348,812.78 × 17,638,295.16
  4. Step 4: Simplify right side
    29,247,331.80x = 711,684,269,169,220.12
  5. Step 5: Solve for x
    x = 711,684,269,169,220.12/29,247,331.80
  6. Step 6: Final answer
    x = 24,333,305.82

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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.