Home / 35,792,732.06-53,688,755-21,209,153.78

Finding the Fourth Proportional to 35,792,732.06, 53,688,755 and 21,209,153.78

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Solution

The fourth proportional to 35,792,732.06, 53,688,755 and 21,209,153.78 is: 31,813,527.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,792,732.06 : 53,688,755 = 21,209,153.78 : x
  2. Step 2: Convert to fraction form
    35,792,732.06/53,688,755 = 21,209,153.78/x
  3. Step 3: Cross multiply
    35,792,732.06x = 53,688,755 × 21,209,153.78
  4. Step 4: Simplify right side
    35,792,732.06x = 1,138,693,061,051,744
  5. Step 5: Solve for x
    x = 1,138,693,061,051,744/35,792,732.06
  6. Step 6: Final answer
    x = 31,813,527.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.