Home / 21,283,762.15-29,371,590.64-11,494,205.39

Finding the Fourth Proportional to 21,283,762.15, 29,371,590.64 and 11,494,205.39

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Solution

The fourth proportional to 21,283,762.15, 29,371,590.64 and 11,494,205.39 is: 15,862,002.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,283,762.15 : 29,371,590.64 = 11,494,205.39 : x
  2. Step 2: Convert to fraction form
    21,283,762.15/29,371,590.64 = 11,494,205.39/x
  3. Step 3: Cross multiply
    21,283,762.15x = 29,371,590.64 × 11,494,205.39
  4. Step 4: Simplify right side
    21,283,762.15x = 337,603,095,491,855
  5. Step 5: Solve for x
    x = 337,603,095,491,855/21,283,762.15
  6. Step 6: Final answer
    x = 15,862,002.83

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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.