Home / 10,287,215.68-15,427,672.96-7,112,741.44

Finding the Fourth Proportional to 10,287,215.68, 15,427,672.96 and 7,112,741.44

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Solution

The fourth proportional to 10,287,215.68, 15,427,672.96 and 7,112,741.44 is: 10,666,933.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287,215.68 : 15,427,672.96 = 7,112,741.44 : x
  2. Step 2: Convert to fraction form
    10,287,215.68/15,427,672.96 = 7,112,741.44/x
  3. Step 3: Cross multiply
    10,287,215.68x = 15,427,672.96 × 7,112,741.44
  4. Step 4: Simplify right side
    10,287,215.68x = 109,733,048,785,359.47
  5. Step 5: Solve for x
    x = 109,733,048,785,359.47/10,287,215.68
  6. Step 6: Final answer
    x = 10,666,933.81

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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.