Home / 18,461,869.65-27,693,985.40-7,102,318.27

Finding the Fourth Proportional to 18,461,869.65, 27,693,985.40 and 7,102,318.27

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Solution

The fourth proportional to 18,461,869.65, 27,693,985.40 and 7,102,318.27 is: 10,653,931.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461,869.65 : 27,693,985.40 = 7,102,318.27 : x
  2. Step 2: Convert to fraction form
    18,461,869.65/27,693,985.40 = 7,102,318.27/x
  3. Step 3: Cross multiply
    18,461,869.65x = 27,693,985.40 × 7,102,318.27
  4. Step 4: Simplify right side
    18,461,869.65x = 196,691,498,440,021.66
  5. Step 5: Solve for x
    x = 196,691,498,440,021.66/18,461,869.65
  6. Step 6: Final answer
    x = 10,653,931.71

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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.