Home / 7,457,874.86-11,167,319.20-7,003,299.05

Finding the Fourth Proportional to 7,457,874.86, 11,167,319.20 and 7,003,299.05

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Solution

The fourth proportional to 7,457,874.86, 11,167,319.20 and 7,003,299.05 is: 10,486,643.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457,874.86 : 11,167,319.20 = 7,003,299.05 : x
  2. Step 2: Convert to fraction form
    7,457,874.86/11,167,319.20 = 7,003,299.05/x
  3. Step 3: Cross multiply
    7,457,874.86x = 11,167,319.20 × 7,003,299.05
  4. Step 4: Simplify right side
    7,457,874.86x = 78,208,075,959,469.06
  5. Step 5: Solve for x
    x = 78,208,075,959,469.06/7,457,874.86
  6. Step 6: Final answer
    x = 10,486,643.64

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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.