Home / 28,126,200.71-42,190,948.64-10,854,492.14

Finding the Fourth Proportional to 28,126,200.71, 42,190,948.64 and 10,854,492.14

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Solution

The fourth proportional to 28,126,200.71, 42,190,948.64 and 10,854,492.14 is: 16,282,374.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,126,200.71 : 42,190,948.64 = 10,854,492.14 : x
  2. Step 2: Convert to fraction form
    28,126,200.71/42,190,948.64 = 10,854,492.14/x
  3. Step 3: Cross multiply
    28,126,200.71x = 42,190,948.64 × 10,854,492.14
  4. Step 4: Simplify right side
    28,126,200.71x = 457,961,320,126,796.44
  5. Step 5: Solve for x
    x = 457,961,320,126,796.44/28,126,200.71
  6. Step 6: Final answer
    x = 16,282,374.04

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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.