Home / 13,284,934.60-19,930,901.10-4,764,382.60

Finding the Fourth Proportional to 13,284,934.60, 19,930,901.10 and 4,764,382.60

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Solution

The fourth proportional to 13,284,934.60, 19,930,901.10 and 4,764,382.60 is: 7,147,828.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284,934.60 : 19,930,901.10 = 4,764,382.60 : x
  2. Step 2: Convert to fraction form
    13,284,934.60/19,930,901.10 = 4,764,382.60/x
  3. Step 3: Cross multiply
    13,284,934.60x = 19,930,901.10 × 4,764,382.60
  4. Step 4: Simplify right side
    13,284,934.60x = 94,958,438,403,160.86
  5. Step 5: Solve for x
    x = 94,958,438,403,160.86/13,284,934.60
  6. Step 6: Final answer
    x = 7,147,828.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.