Home / 12,897,762.66-19,325,386.22-7,491,236.22

Finding the Fourth Proportional to 12,897,762.66, 19,325,386.22 and 7,491,236.22

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Solution

The fourth proportional to 12,897,762.66, 19,325,386.22 and 7,491,236.22 is: 11,224,507.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,897,762.66 : 19,325,386.22 = 7,491,236.22 : x
  2. Step 2: Convert to fraction form
    12,897,762.66/19,325,386.22 = 7,491,236.22/x
  3. Step 3: Cross multiply
    12,897,762.66x = 19,325,386.22 × 7,491,236.22
  4. Step 4: Simplify right side
    12,897,762.66x = 144,771,033,179,296.69
  5. Step 5: Solve for x
    x = 144,771,033,179,296.69/12,897,762.66
  6. Step 6: Final answer
    x = 11,224,507.46

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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.