Home / 19,982,495.55-27,576,381.21-12,139,339.47

Finding the Fourth Proportional to 19,982,495.55, 27,576,381.21 and 12,139,339.47

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Solution

The fourth proportional to 19,982,495.55, 27,576,381.21 and 12,139,339.47 is: 16,752,614.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,982,495.55 : 27,576,381.21 = 12,139,339.47 : x
  2. Step 2: Convert to fraction form
    19,982,495.55/27,576,381.21 = 12,139,339.47/x
  3. Step 3: Cross multiply
    19,982,495.55x = 27,576,381.21 × 12,139,339.47
  4. Step 4: Simplify right side
    19,982,495.55x = 334,759,052,862,319.38
  5. Step 5: Solve for x
    x = 334,759,052,862,319.38/19,982,495.55
  6. Step 6: Final answer
    x = 16,752,614.91

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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.