Home / 7,124,601.16-9,832,069.02-3,861,520.84

Finding the Fourth Proportional to 7,124,601.16, 9,832,069.02 and 3,861,520.84

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Solution

The fourth proportional to 7,124,601.16, 9,832,069.02 and 3,861,520.84 is: 5,328,963.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124,601.16 : 9,832,069.02 = 3,861,520.84 : x
  2. Step 2: Convert to fraction form
    7,124,601.16/9,832,069.02 = 3,861,520.84/x
  3. Step 3: Cross multiply
    7,124,601.16x = 9,832,069.02 × 3,861,520.84
  4. Step 4: Simplify right side
    7,124,601.16x = 37,966,739,421,048.38
  5. Step 5: Solve for x
    x = 37,966,739,421,048.38/7,124,601.16
  6. Step 6: Final answer
    x = 5,328,963.48

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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.