Home / 6,439,477.80-8,886,294.12-3,538,865.16

Finding the Fourth Proportional to 6,439,477.80, 8,886,294.12 and 3,538,865.16

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Solution

The fourth proportional to 6,439,477.80, 8,886,294.12 and 3,538,865.16 is: 4,883,532.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,477.80 : 8,886,294.12 = 3,538,865.16 : x
  2. Step 2: Convert to fraction form
    6,439,477.80/8,886,294.12 = 3,538,865.16/x
  3. Step 3: Cross multiply
    6,439,477.80x = 8,886,294.12 × 3,538,865.16
  4. Step 4: Simplify right side
    6,439,477.80x = 31,447,396,662,780.86
  5. Step 5: Solve for x
    x = 31,447,396,662,780.86/6,439,477.80
  6. Step 6: Final answer
    x = 4,883,532.12

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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.