Home / 21,674,393.73-29,881,728.20-17,218,732.77

Finding the Fourth Proportional to 21,674,393.73, 29,881,728.20 and 17,218,732.77

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Solution

The fourth proportional to 21,674,393.73, 29,881,728.20 and 17,218,732.77 is: 23,738,864.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,674,393.73 : 29,881,728.20 = 17,218,732.77 : x
  2. Step 2: Convert to fraction form
    21,674,393.73/29,881,728.20 = 17,218,732.77/x
  3. Step 3: Cross multiply
    21,674,393.73x = 29,881,728.20 × 17,218,732.77
  4. Step 4: Simplify right side
    21,674,393.73x = 514,525,492,624,619.94
  5. Step 5: Solve for x
    x = 514,525,492,624,619.94/21,674,393.73
  6. Step 6: Final answer
    x = 23,738,864.35

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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.