Home / 12,980,726.82-17,893,522.89-9,712,590.66

Finding the Fourth Proportional to 12,980,726.82, 17,893,522.89 and 9,712,590.66

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Solution

The fourth proportional to 12,980,726.82, 17,893,522.89 and 9,712,590.66 is: 13,388,500.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,980,726.82 : 17,893,522.89 = 9,712,590.66 : x
  2. Step 2: Convert to fraction form
    12,980,726.82/17,893,522.89 = 9,712,590.66/x
  3. Step 3: Cross multiply
    12,980,726.82x = 17,893,522.89 × 9,712,590.66
  4. Step 4: Simplify right side
    12,980,726.82x = 173,792,463,295,910.22
  5. Step 5: Solve for x
    x = 173,792,463,295,910.22/12,980,726.82
  6. Step 6: Final answer
    x = 13,388,500.17

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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.