Home / 12,849,427.92-17,731,891-7,342,453.36

Finding the Fourth Proportional to 12,849,427.92, 17,731,891 and 7,342,453.36

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Solution

The fourth proportional to 12,849,427.92, 17,731,891 and 7,342,453.36 is: 10,132,403.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849,427.92 : 17,731,891 = 7,342,453.36 : x
  2. Step 2: Convert to fraction form
    12,849,427.92/17,731,891 = 7,342,453.36/x
  3. Step 3: Cross multiply
    12,849,427.92x = 17,731,891 × 7,342,453.36
  4. Step 4: Simplify right side
    12,849,427.92x = 130,195,582,652,103.77
  5. Step 5: Solve for x
    x = 130,195,582,652,103.77/12,849,427.92
  6. Step 6: Final answer
    x = 10,132,403.05

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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.