Home / 8,791,893.20-13,191,776.40-3,997,114.40

Finding the Fourth Proportional to 8,791,893.20, 13,191,776.40 and 3,997,114.40

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Solution

The fourth proportional to 8,791,893.20, 13,191,776.40 and 3,997,114.40 is: 5,997,461.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791,893.20 : 13,191,776.40 = 3,997,114.40 : x
  2. Step 2: Convert to fraction form
    8,791,893.20/13,191,776.40 = 3,997,114.40/x
  3. Step 3: Cross multiply
    8,791,893.20x = 13,191,776.40 × 3,997,114.40
  4. Step 4: Simplify right side
    8,791,893.20x = 52,729,039,410,020.16
  5. Step 5: Solve for x
    x = 52,729,039,410,020.16/8,791,893.20
  6. Step 6: Final answer
    x = 5,997,461.32

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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.