Home / 20,608,238.36-30,915,922.28-6,961,484.12

Finding the Fourth Proportional to 20,608,238.36, 30,915,922.28 and 6,961,484.12

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Solution

The fourth proportional to 20,608,238.36, 30,915,922.28 and 6,961,484.12 is: 10,443,430.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,608,238.36 : 30,915,922.28 = 6,961,484.12 : x
  2. Step 2: Convert to fraction form
    20,608,238.36/30,915,922.28 = 6,961,484.12/x
  3. Step 3: Cross multiply
    20,608,238.36x = 30,915,922.28 × 6,961,484.12
  4. Step 4: Simplify right side
    20,608,238.36x = 215,220,701,817,987.16
  5. Step 5: Solve for x
    x = 215,220,701,817,987.16/20,608,238.36
  6. Step 6: Final answer
    x = 10,443,430.35

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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.