Home / 16,678,776.84-23,004,846.60-15,306,551.78

Finding the Fourth Proportional to 16,678,776.84, 23,004,846.60 and 15,306,551.78

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Solution

The fourth proportional to 16,678,776.84, 23,004,846.60 and 15,306,551.78 is: 21,112,152.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,678,776.84 : 23,004,846.60 = 15,306,551.78 : x
  2. Step 2: Convert to fraction form
    16,678,776.84/23,004,846.60 = 15,306,551.78/x
  3. Step 3: Cross multiply
    16,678,776.84x = 23,004,846.60 × 15,306,551.78
  4. Step 4: Simplify right side
    16,678,776.84x = 352,124,875,673,856.94
  5. Step 5: Solve for x
    x = 352,124,875,673,856.94/16,678,776.84
  6. Step 6: Final answer
    x = 21,112,152.23

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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.