Home / 30,639,467.92-42,282,465.78-16,888,727.29

Finding the Fourth Proportional to 30,639,467.92, 42,282,465.78 and 16,888,727.29

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Solution

The fourth proportional to 30,639,467.92, 42,282,465.78 and 16,888,727.29 is: 23,306,443.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,639,467.92 : 42,282,465.78 = 16,888,727.29 : x
  2. Step 2: Convert to fraction form
    30,639,467.92/42,282,465.78 = 16,888,727.29/x
  3. Step 3: Cross multiply
    30,639,467.92x = 42,282,465.78 × 16,888,727.29
  4. Step 4: Simplify right side
    30,639,467.92x = 714,097,033,707,177.12
  5. Step 5: Solve for x
    x = 714,097,033,707,177.12/30,639,467.92
  6. Step 6: Final answer
    x = 23,306,443.69

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1.5x scale

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.