Home / 15,571,042.38-21,476,096.04-9,369,624.20

Finding the Fourth Proportional to 15,571,042.38, 21,476,096.04 and 9,369,624.20

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Solution

The fourth proportional to 15,571,042.38, 21,476,096.04 and 9,369,624.20 is: 12,922,895.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,571,042.38 : 21,476,096.04 = 9,369,624.20 : x
  2. Step 2: Convert to fraction form
    15,571,042.38/21,476,096.04 = 9,369,624.20/x
  3. Step 3: Cross multiply
    15,571,042.38x = 21,476,096.04 × 9,369,624.20
  4. Step 4: Simplify right side
    15,571,042.38x = 201,222,949,177,908.16
  5. Step 5: Solve for x
    x = 201,222,949,177,908.16/15,571,042.38
  6. Step 6: Final answer
    x = 12,922,895.22

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Double scale
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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.