Home / 22,170,084.57-30,588,030.21-12,875,863.08

Finding the Fourth Proportional to 22,170,084.57, 30,588,030.21 and 12,875,863.08

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Solution

The fourth proportional to 22,170,084.57, 30,588,030.21 and 12,875,863.08 is: 17,764,807.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170,084.57 : 30,588,030.21 = 12,875,863.08 : x
  2. Step 2: Convert to fraction form
    22,170,084.57/30,588,030.21 = 12,875,863.08/x
  3. Step 3: Cross multiply
    22,170,084.57x = 30,588,030.21 × 12,875,863.08
  4. Step 4: Simplify right side
    22,170,084.57x = 393,847,288,870,863.69
  5. Step 5: Solve for x
    x = 393,847,288,870,863.69/22,170,084.57
  6. Step 6: Final answer
    x = 17,764,807.69

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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.