Home / 12,251,269.20-18,376,903.80-7,968,248.40

Finding the Fourth Proportional to 12,251,269.20, 18,376,903.80 and 7,968,248.40

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Solution

The fourth proportional to 12,251,269.20, 18,376,903.80 and 7,968,248.40 is: 11,952,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,269.20 : 18,376,903.80 = 7,968,248.40 : x
  2. Step 2: Convert to fraction form
    12,251,269.20/18,376,903.80 = 7,968,248.40/x
  3. Step 3: Cross multiply
    12,251,269.20x = 18,376,903.80 × 7,968,248.40
  4. Step 4: Simplify right side
    12,251,269.20x = 146,431,734,301,303.94
  5. Step 5: Solve for x
    x = 146,431,734,301,303.94/12,251,269.20
  6. Step 6: Final answer
    x = 11,952,372.60

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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.