Home / 20,680,004.70-31,034,003.85-9,314,603.10

Finding the Fourth Proportional to 20,680,004.70, 31,034,003.85 and 9,314,603.10

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Solution

The fourth proportional to 20,680,004.70, 31,034,003.85 and 9,314,603.10 is: 13,978,209.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,680,004.70 : 31,034,003.85 = 9,314,603.10 : x
  2. Step 2: Convert to fraction form
    20,680,004.70/31,034,003.85 = 9,314,603.10/x
  3. Step 3: Cross multiply
    20,680,004.70x = 31,034,003.85 × 9,314,603.10
  4. Step 4: Simplify right side
    20,680,004.70x = 289,069,428,466,621.94
  5. Step 5: Solve for x
    x = 289,069,428,466,621.94/20,680,004.70
  6. Step 6: Final answer
    x = 13,978,209.03

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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.