Home / 22,572,195.91-31,151,551.48-12,784,381.29

Finding the Fourth Proportional to 22,572,195.91, 31,151,551.48 and 12,784,381.29

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Solution

The fourth proportional to 22,572,195.91, 31,151,551.48 and 12,784,381.29 is: 17,643,534.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,572,195.91 : 31,151,551.48 = 12,784,381.29 : x
  2. Step 2: Convert to fraction form
    22,572,195.91/31,151,551.48 = 12,784,381.29/x
  3. Step 3: Cross multiply
    22,572,195.91x = 31,151,551.48 × 12,784,381.29
  4. Step 4: Simplify right side
    22,572,195.91x = 398,253,311,895,383.81
  5. Step 5: Solve for x
    x = 398,253,311,895,383.81/22,572,195.91
  6. Step 6: Final answer
    x = 17,643,534.26

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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.