Home / 10,651,489.40-15,945,741.30-10,028,631.80

Finding the Fourth Proportional to 10,651,489.40, 15,945,741.30 and 10,028,631.80

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Solution

The fourth proportional to 10,651,489.40, 15,945,741.30 and 10,028,631.80 is: 15,013,296.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651,489.40 : 15,945,741.30 = 10,028,631.80 : x
  2. Step 2: Convert to fraction form
    10,651,489.40/15,945,741.30 = 10,028,631.80/x
  3. Step 3: Cross multiply
    10,651,489.40x = 15,945,741.30 × 10,028,631.80
  4. Step 4: Simplify right side
    10,651,489.40x = 159,913,968,275,753.34
  5. Step 5: Solve for x
    x = 159,913,968,275,753.34/10,651,489.40
  6. Step 6: Final answer
    x = 15,013,296.48

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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.