Home / 18,461,869.15-27,693,984.65-7,102,317.77

Finding the Fourth Proportional to 18,461,869.15, 27,693,984.65 and 7,102,317.77

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Solution

The fourth proportional to 18,461,869.15, 27,693,984.65 and 7,102,317.77 is: 10,653,930.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461,869.15 : 27,693,984.65 = 7,102,317.77 : x
  2. Step 2: Convert to fraction form
    18,461,869.15/27,693,984.65 = 7,102,317.77/x
  3. Step 3: Cross multiply
    18,461,869.15x = 27,693,984.65 × 7,102,317.77
  4. Step 4: Simplify right side
    18,461,869.15x = 196,691,479,266,290.62
  5. Step 5: Solve for x
    x = 196,691,479,266,290.62/18,461,869.15
  6. Step 6: Final answer
    x = 10,653,930.96

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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.