Home / 7,477,109.18-11,215,753.71-2,085,431.30

Finding the Fourth Proportional to 7,477,109.18, 11,215,753.71 and 2,085,431.30

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Solution

The fourth proportional to 7,477,109.18, 11,215,753.71 and 2,085,431.30 is: 3,128,172.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477,109.18 : 11,215,753.71 = 2,085,431.30 : x
  2. Step 2: Convert to fraction form
    7,477,109.18/11,215,753.71 = 2,085,431.30/x
  3. Step 3: Cross multiply
    7,477,109.18x = 11,215,753.71 × 2,085,431.30
  4. Step 4: Simplify right side
    7,477,109.18x = 23,389,683,839,925.12
  5. Step 5: Solve for x
    x = 23,389,683,839,925.12/7,477,109.18
  6. Step 6: Final answer
    x = 3,128,172.04

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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.