Home / 5,347,640.15-7,380,686.72-3,173,382.16

Finding the Fourth Proportional to 5,347,640.15, 7,380,686.72 and 3,173,382.16

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Solution

The fourth proportional to 5,347,640.15, 7,380,686.72 and 3,173,382.16 is: 4,379,827.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347,640.15 : 7,380,686.72 = 3,173,382.16 : x
  2. Step 2: Convert to fraction form
    5,347,640.15/7,380,686.72 = 3,173,382.16/x
  3. Step 3: Cross multiply
    5,347,640.15x = 7,380,686.72 × 3,173,382.16
  4. Step 4: Simplify right side
    5,347,640.15x = 23,421,739,513,026.57
  5. Step 5: Solve for x
    x = 23,421,739,513,026.57/5,347,640.15
  6. Step 6: Final answer
    x = 4,379,827.15

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1.5x scale

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.