Home / 22,571,768.29-31,151,699.39-13,404,411.04

Finding the Fourth Proportional to 22,571,768.29, 31,151,699.39 and 13,404,411.04

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Solution

The fourth proportional to 22,571,768.29, 31,151,699.39 and 13,404,411.04 is: 18,499,666.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,571,768.29 : 31,151,699.39 = 13,404,411.04 : x
  2. Step 2: Convert to fraction form
    22,571,768.29/31,151,699.39 = 13,404,411.04/x
  3. Step 3: Cross multiply
    22,571,768.29x = 31,151,699.39 × 13,404,411.04
  4. Step 4: Simplify right side
    22,571,768.29x = 417,570,183,218,077.25
  5. Step 5: Solve for x
    x = 417,570,183,218,077.25/22,571,768.29
  6. Step 6: Final answer
    x = 18,499,666.39

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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.