Home / 13,593,661.71-18,759,785.01-7,482,658.83

Finding the Fourth Proportional to 13,593,661.71, 18,759,785.01 and 7,482,658.83

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Solution

The fourth proportional to 13,593,661.71, 18,759,785.01 and 7,482,658.83 is: 10,326,361.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593,661.71 : 18,759,785.01 = 7,482,658.83 : x
  2. Step 2: Convert to fraction form
    13,593,661.71/18,759,785.01 = 7,482,658.83/x
  3. Step 3: Cross multiply
    13,593,661.71x = 18,759,785.01 × 7,482,658.83
  4. Step 4: Simplify right side
    13,593,661.71x = 140,373,070,953,978.16
  5. Step 5: Solve for x
    x = 140,373,070,953,978.16/13,593,661.71
  6. Step 6: Final answer
    x = 10,326,361.94

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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.