Home / 15,726,111.54-21,702,732.21-8,851,038.90

Finding the Fourth Proportional to 15,726,111.54, 21,702,732.21 and 8,851,038.90

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Solution

The fourth proportional to 15,726,111.54, 21,702,732.21 and 8,851,038.90 is: 12,214,826.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,726,111.54 : 21,702,732.21 = 8,851,038.90 : x
  2. Step 2: Convert to fraction form
    15,726,111.54/21,702,732.21 = 8,851,038.90/x
  3. Step 3: Cross multiply
    15,726,111.54x = 21,702,732.21 × 8,851,038.90
  4. Step 4: Simplify right side
    15,726,111.54x = 192,091,727,026,993
  5. Step 5: Solve for x
    x = 192,091,727,026,993/15,726,111.54
  6. Step 6: Final answer
    x = 12,214,826.69

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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.