Home / 12,114,595.20-18,171,892.80-9,962,259.15

Finding the Fourth Proportional to 12,114,595.20, 18,171,892.80 and 9,962,259.15

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Solution

The fourth proportional to 12,114,595.20, 18,171,892.80 and 9,962,259.15 is: 14,943,388.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114,595.20 : 18,171,892.80 = 9,962,259.15 : x
  2. Step 2: Convert to fraction form
    12,114,595.20/18,171,892.80 = 9,962,259.15/x
  3. Step 3: Cross multiply
    12,114,595.20x = 18,171,892.80 × 9,962,259.15
  4. Step 4: Simplify right side
    12,114,595.20x = 181,033,105,319,619.12
  5. Step 5: Solve for x
    x = 181,033,105,319,619.12/12,114,595.20
  6. Step 6: Final answer
    x = 14,943,388.73

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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.