Home / 12,265,511.70-18,398,267.55-9,874,027.20

Finding the Fourth Proportional to 12,265,511.70, 18,398,267.55 and 9,874,027.20

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Solution

The fourth proportional to 12,265,511.70, 18,398,267.55 and 9,874,027.20 is: 14,811,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265,511.70 : 18,398,267.55 = 9,874,027.20 : x
  2. Step 2: Convert to fraction form
    12,265,511.70/18,398,267.55 = 9,874,027.20/x
  3. Step 3: Cross multiply
    12,265,511.70x = 18,398,267.55 × 9,874,027.20
  4. Step 4: Simplify right side
    12,265,511.70x = 181,664,994,221,577.34
  5. Step 5: Solve for x
    x = 181,664,994,221,577.34/12,265,511.70
  6. Step 6: Final answer
    x = 14,811,040.80

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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.