Home / 12,897,764.66-19,325,389.21-7,491,238.22

Finding the Fourth Proportional to 12,897,764.66, 19,325,389.21 and 7,491,238.22

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Solution

The fourth proportional to 12,897,764.66, 19,325,389.21 and 7,491,238.22 is: 11,224,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,897,764.66 : 19,325,389.21 = 7,491,238.22 : x
  2. Step 2: Convert to fraction form
    12,897,764.66/19,325,389.21 = 7,491,238.22/x
  3. Step 3: Cross multiply
    12,897,764.66x = 19,325,389.21 × 7,491,238.22
  4. Step 4: Simplify right side
    12,897,764.66x = 144,771,094,266,327.59
  5. Step 5: Solve for x
    x = 144,771,094,266,327.59/12,897,764.66
  6. Step 6: Final answer
    x = 11,224,510.45

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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.