Home / 7,201,871.80-10,801,079.70-4,162,665.40

Finding the Fourth Proportional to 7,201,871.80, 10,801,079.70 and 4,162,665.40

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Solution

The fourth proportional to 7,201,871.80, 10,801,079.70 and 4,162,665.40 is: 6,242,999.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,201,871.80 : 10,801,079.70 = 4,162,665.40 : x
  2. Step 2: Convert to fraction form
    7,201,871.80/10,801,079.70 = 4,162,665.40/x
  3. Step 3: Cross multiply
    7,201,871.80x = 10,801,079.70 × 4,162,665.40
  4. Step 4: Simplify right side
    7,201,871.80x = 44,961,280,749,832.38
  5. Step 5: Solve for x
    x = 44,961,280,749,832.38/7,201,871.80
  6. Step 6: Final answer
    x = 6,242,999.32

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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.