Home / 13,092,840.78-18,068,680.87-7,291,622.53

Finding the Fourth Proportional to 13,092,840.78, 18,068,680.87 and 7,291,622.53

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Solution

The fourth proportional to 13,092,840.78, 18,068,680.87 and 7,291,622.53 is: 10,062,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092,840.78 : 18,068,680.87 = 7,291,622.53 : x
  2. Step 2: Convert to fraction form
    13,092,840.78/18,068,680.87 = 7,291,622.53/x
  3. Step 3: Cross multiply
    13,092,840.78x = 18,068,680.87 × 7,291,622.53
  4. Step 4: Simplify right side
    13,092,840.78x = 131,750,000,523,428.80
  5. Step 5: Solve for x
    x = 131,750,000,523,428.80/13,092,840.78
  6. Step 6: Final answer
    x = 10,062,751.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.