Home / 13,084,898.40-18,057,691.80-7,283,311.20

Finding the Fourth Proportional to 13,084,898.40, 18,057,691.80 and 7,283,311.20

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Solution

The fourth proportional to 13,084,898.40, 18,057,691.80 and 7,283,311.20 is: 10,051,265.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,084,898.40 : 18,057,691.80 = 7,283,311.20 : x
  2. Step 2: Convert to fraction form
    13,084,898.40/18,057,691.80 = 7,283,311.20/x
  3. Step 3: Cross multiply
    13,084,898.40x = 18,057,691.80 × 7,283,311.20
  4. Step 4: Simplify right side
    13,084,898.40x = 131,519,788,933,088.17
  5. Step 5: Solve for x
    x = 131,519,788,933,088.17/13,084,898.40
  6. Step 6: Final answer
    x = 10,051,265.58

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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.