Home / 12,379,782.47-17,083,432.92-6,872,802.64

Finding the Fourth Proportional to 12,379,782.47, 17,083,432.92 and 6,872,802.64

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Solution

The fourth proportional to 12,379,782.47, 17,083,432.92 and 6,872,802.64 is: 9,484,097.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379,782.47 : 17,083,432.92 = 6,872,802.64 : x
  2. Step 2: Convert to fraction form
    12,379,782.47/17,083,432.92 = 6,872,802.64/x
  3. Step 3: Cross multiply
    12,379,782.47x = 17,083,432.92 × 6,872,802.64
  4. Step 4: Simplify right side
    12,379,782.47x = 117,411,062,804,603.75
  5. Step 5: Solve for x
    x = 117,411,062,804,603.75/12,379,782.47
  6. Step 6: Final answer
    x = 9,484,097.41

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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.