Home / 8,248,840.65-12,373,260.98-7,381,039.05

Finding the Fourth Proportional to 8,248,840.65, 12,373,260.98 and 7,381,039.05

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Solution

The fourth proportional to 8,248,840.65, 12,373,260.98 and 7,381,039.05 is: 11,071,558.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248,840.65 : 12,373,260.98 = 7,381,039.05 : x
  2. Step 2: Convert to fraction form
    8,248,840.65/12,373,260.98 = 7,381,039.05/x
  3. Step 3: Cross multiply
    8,248,840.65x = 12,373,260.98 × 7,381,039.05
  4. Step 4: Simplify right side
    8,248,840.65x = 91,327,522,432,316.06
  5. Step 5: Solve for x
    x = 91,327,522,432,316.06/8,248,840.65
  6. Step 6: Final answer
    x = 11,071,558.58

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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.