Home / 8,513,372.72-12,774,543.03-4,921,662.62

Finding the Fourth Proportional to 8,513,372.72, 12,774,543.03 and 4,921,662.62

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Solution

The fourth proportional to 8,513,372.72, 12,774,543.03 and 4,921,662.62 is: 7,385,086.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513,372.72 : 12,774,543.03 = 4,921,662.62 : x
  2. Step 2: Convert to fraction form
    8,513,372.72/12,774,543.03 = 4,921,662.62/x
  3. Step 3: Cross multiply
    8,513,372.72x = 12,774,543.03 × 4,921,662.62
  4. Step 4: Simplify right side
    8,513,372.72x = 62,871,990,854,459.82
  5. Step 5: Solve for x
    x = 62,871,990,854,459.82/8,513,372.72
  6. Step 6: Final answer
    x = 7,385,086.14

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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.