Home / 12,425,025.38-18,631,301.36-7,239,313.48

Finding the Fourth Proportional to 12,425,025.38, 18,631,301.36 and 7,239,313.48

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Solution

The fourth proportional to 12,425,025.38, 18,631,301.36 and 7,239,313.48 is: 10,855,336.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425,025.38 : 18,631,301.36 = 7,239,313.48 : x
  2. Step 2: Convert to fraction form
    12,425,025.38/18,631,301.36 = 7,239,313.48/x
  3. Step 3: Cross multiply
    12,425,025.38x = 18,631,301.36 × 7,239,313.48
  4. Step 4: Simplify right side
    12,425,025.38x = 134,877,831,085,390.34
  5. Step 5: Solve for x
    x = 134,877,831,085,390.34/12,425,025.38
  6. Step 6: Final answer
    x = 10,855,336.46

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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.