Home / 8,579,346.12-12,865,090.32-5,122,655.01

Finding the Fourth Proportional to 8,579,346.12, 12,865,090.32 and 5,122,655.01

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Solution

The fourth proportional to 8,579,346.12, 12,865,090.32 and 5,122,655.01 is: 7,681,636.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,346.12 : 12,865,090.32 = 5,122,655.01 : x
  2. Step 2: Convert to fraction form
    8,579,346.12/12,865,090.32 = 5,122,655.01/x
  3. Step 3: Cross multiply
    8,579,346.12x = 12,865,090.32 × 5,122,655.01
  4. Step 4: Simplify right side
    8,579,346.12x = 65,903,419,381,850.50
  5. Step 5: Solve for x
    x = 65,903,419,381,850.50/8,579,346.12
  6. Step 6: Final answer
    x = 7,681,636.63

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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.