Home / 22,572,170.64-31,151,516.56-12,784,356

Finding the Fourth Proportional to 22,572,170.64, 31,151,516.56 and 12,784,356

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Solution

The fourth proportional to 22,572,170.64, 31,151,516.56 and 12,784,356 is: 17,643,499.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,572,170.64 : 31,151,516.56 = 12,784,356 : x
  2. Step 2: Convert to fraction form
    22,572,170.64/31,151,516.56 = 12,784,356/x
  3. Step 3: Cross multiply
    22,572,170.64x = 31,151,516.56 × 12,784,356
  4. Step 4: Simplify right side
    22,572,170.64x = 398,252,077,642,935.31
  5. Step 5: Solve for x
    x = 398,252,077,642,935.31/22,572,170.64
  6. Step 6: Final answer
    x = 17,643,499.33

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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.