Home / 11,111,007.90-16,666,511.85-9,906,408.30

Finding the Fourth Proportional to 11,111,007.90, 16,666,511.85 and 9,906,408.30

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Solution

The fourth proportional to 11,111,007.90, 16,666,511.85 and 9,906,408.30 is: 14,859,612.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111,007.90 : 16,666,511.85 = 9,906,408.30 : x
  2. Step 2: Convert to fraction form
    11,111,007.90/16,666,511.85 = 9,906,408.30/x
  3. Step 3: Cross multiply
    11,111,007.90x = 16,666,511.85 × 9,906,408.30
  4. Step 4: Simplify right side
    11,111,007.90x = 165,105,271,322,888.38
  5. Step 5: Solve for x
    x = 165,105,271,322,888.38/11,111,007.90
  6. Step 6: Final answer
    x = 14,859,612.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.