Home / 7,777,225.90-11,665,838.85-6,993,405.10

Finding the Fourth Proportional to 7,777,225.90, 11,665,838.85 and 6,993,405.10

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Solution

The fourth proportional to 7,777,225.90, 11,665,838.85 and 6,993,405.10 is: 10,490,107.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,225.90 : 11,665,838.85 = 6,993,405.10 : x
  2. Step 2: Convert to fraction form
    7,777,225.90/11,665,838.85 = 6,993,405.10/x
  3. Step 3: Cross multiply
    7,777,225.90x = 11,665,838.85 × 6,993,405.10
  4. Step 4: Simplify right side
    7,777,225.90x = 81,583,936,909,368.12
  5. Step 5: Solve for x
    x = 81,583,936,909,368.12/7,777,225.90
  6. Step 6: Final answer
    x = 10,490,107.65

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Similar ratio
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1.5x scale

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.