Home / 22,189,886.47-30,622,084.93-12,400,330.70

Finding the Fourth Proportional to 22,189,886.47, 30,622,084.93 and 12,400,330.70

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Solution

The fourth proportional to 22,189,886.47, 30,622,084.93 and 12,400,330.70 is: 17,112,479.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,189,886.47 : 30,622,084.93 = 12,400,330.70 : x
  2. Step 2: Convert to fraction form
    22,189,886.47/30,622,084.93 = 12,400,330.70/x
  3. Step 3: Cross multiply
    22,189,886.47x = 30,622,084.93 × 12,400,330.70
  4. Step 4: Simplify right side
    22,189,886.47x = 379,723,979,947,542
  5. Step 5: Solve for x
    x = 379,723,979,947,542/22,189,886.47
  6. Step 6: Final answer
    x = 17,112,479.62

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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.