Home / 15,778,252.82-21,774,328.80-8,713,824.06

Finding the Fourth Proportional to 15,778,252.82, 21,774,328.80 and 8,713,824.06

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Solution

The fourth proportional to 15,778,252.82, 21,774,328.80 and 8,713,824.06 is: 12,025,264.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,778,252.82 : 21,774,328.80 = 8,713,824.06 : x
  2. Step 2: Convert to fraction form
    15,778,252.82/21,774,328.80 = 8,713,824.06/x
  3. Step 3: Cross multiply
    15,778,252.82x = 21,774,328.80 × 8,713,824.06
  4. Step 4: Simplify right side
    15,778,252.82x = 189,737,670,187,790.94
  5. Step 5: Solve for x
    x = 189,737,670,187,790.94/15,778,252.82
  6. Step 6: Final answer
    x = 12,025,264.92

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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.