Home / 28,126,181.03-42,190,919.07-10,854,472.46

Finding the Fourth Proportional to 28,126,181.03, 42,190,919.07 and 10,854,472.46

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Solution

The fourth proportional to 28,126,181.03, 42,190,919.07 and 10,854,472.46 is: 16,282,344.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,126,181.03 : 42,190,919.07 = 10,854,472.46 : x
  2. Step 2: Convert to fraction form
    28,126,181.03/42,190,919.07 = 10,854,472.46/x
  3. Step 3: Cross multiply
    28,126,181.03x = 42,190,919.07 × 10,854,472.46
  4. Step 4: Simplify right side
    28,126,181.03x = 457,960,168,896,449.25
  5. Step 5: Solve for x
    x = 457,960,168,896,449.25/28,126,181.03
  6. Step 6: Final answer
    x = 16,282,344.50

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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.