Home / 7,771,203.90-11,656,805.85-7,621,904.70

Finding the Fourth Proportional to 7,771,203.90, 11,656,805.85 and 7,621,904.70

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Solution

The fourth proportional to 7,771,203.90, 11,656,805.85 and 7,621,904.70 is: 11,432,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771,203.90 : 11,656,805.85 = 7,621,904.70 : x
  2. Step 2: Convert to fraction form
    7,771,203.90/11,656,805.85 = 7,621,904.70/x
  3. Step 3: Cross multiply
    7,771,203.90x = 11,656,805.85 × 7,621,904.70
  4. Step 4: Simplify right side
    7,771,203.90x = 88,847,063,295,102.50
  5. Step 5: Solve for x
    x = 88,847,063,295,102.50/7,771,203.90
  6. Step 6: Final answer
    x = 11,432,857.05

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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.