Home / 6,872,431.20-10,308,646.80-3,506,200.80

Finding the Fourth Proportional to 6,872,431.20, 10,308,646.80 and 3,506,200.80

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Solution

The fourth proportional to 6,872,431.20, 10,308,646.80 and 3,506,200.80 is: 5,259,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872,431.20 : 10,308,646.80 = 3,506,200.80 : x
  2. Step 2: Convert to fraction form
    6,872,431.20/10,308,646.80 = 3,506,200.80/x
  3. Step 3: Cross multiply
    6,872,431.20x = 10,308,646.80 × 3,506,200.80
  4. Step 4: Simplify right side
    6,872,431.20x = 36,144,185,657,077.44
  5. Step 5: Solve for x
    x = 36,144,185,657,077.44/6,872,431.20
  6. Step 6: Final answer
    x = 5,259,301.20

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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.