Home / 10,643,054.80-15,966,655.80-4,252,219.60

Finding the Fourth Proportional to 10,643,054.80, 15,966,655.80 and 4,252,219.60

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Solution

The fourth proportional to 10,643,054.80, 15,966,655.80 and 4,252,219.60 is: 6,379,157.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643,054.80 : 15,966,655.80 = 4,252,219.60 : x
  2. Step 2: Convert to fraction form
    10,643,054.80/15,966,655.80 = 4,252,219.60/x
  3. Step 3: Cross multiply
    10,643,054.80x = 15,966,655.80 × 4,252,219.60
  4. Step 4: Simplify right side
    10,643,054.80x = 67,893,726,739,213.68
  5. Step 5: Solve for x
    x = 67,893,726,739,213.68/10,643,054.80
  6. Step 6: Final answer
    x = 6,379,157.87

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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.