Home / 9,108,861.10-12,570,566.84-4,979,169.95

Finding the Fourth Proportional to 9,108,861.10, 12,570,566.84 and 4,979,169.95

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Solution

The fourth proportional to 9,108,861.10, 12,570,566.84 and 4,979,169.95 is: 6,871,439.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108,861.10 : 12,570,566.84 = 4,979,169.95 : x
  2. Step 2: Convert to fraction form
    9,108,861.10/12,570,566.84 = 4,979,169.95/x
  3. Step 3: Cross multiply
    9,108,861.10x = 12,570,566.84 × 4,979,169.95
  4. Step 4: Simplify right side
    9,108,861.10x = 62,590,988,664,194.46
  5. Step 5: Solve for x
    x = 62,590,988,664,194.46/9,108,861.10
  6. Step 6: Final answer
    x = 6,871,439.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.