Home / 11,684,781-16,124,700.71-6,528,181.28

Finding the Fourth Proportional to 11,684,781, 16,124,700.71 and 6,528,181.28

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Solution

The fourth proportional to 11,684,781, 16,124,700.71 and 6,528,181.28 is: 9,008,724.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,684,781 : 16,124,700.71 = 6,528,181.28 : x
  2. Step 2: Convert to fraction form
    11,684,781/16,124,700.71 = 6,528,181.28/x
  3. Step 3: Cross multiply
    11,684,781x = 16,124,700.71 × 6,528,181.28
  4. Step 4: Simplify right side
    11,684,781x = 105,264,969,256,321.67
  5. Step 5: Solve for x
    x = 105,264,969,256,321.67/11,684,781
  6. Step 6: Final answer
    x = 9,008,724.19

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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.