Home / 30,639,472.92-42,282,472.68-16,888,732.32

Finding the Fourth Proportional to 30,639,472.92, 42,282,472.68 and 16,888,732.32

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Solution

The fourth proportional to 30,639,472.92, 42,282,472.68 and 16,888,732.32 is: 23,306,450.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,639,472.92 : 42,282,472.68 = 16,888,732.32 : x
  2. Step 2: Convert to fraction form
    30,639,472.92/42,282,472.68 = 16,888,732.32/x
  3. Step 3: Cross multiply
    30,639,472.92x = 42,282,472.68 × 16,888,732.32
  4. Step 4: Simplify right side
    30,639,472.92x = 714,097,362,920,233
  5. Step 5: Solve for x
    x = 714,097,362,920,233/30,639,472.92
  6. Step 6: Final answer
    x = 23,306,450.63

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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.