Home / 28,716,390.40-43,098,086.40-28,492,441.60

Finding the Fourth Proportional to 28,716,390.40, 43,098,086.40 and 28,492,441.60

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Solution

The fourth proportional to 28,716,390.40, 43,098,086.40 and 28,492,441.60 is: 42,761,979.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716,390.40 : 43,098,086.40 = 28,492,441.60 : x
  2. Step 2: Convert to fraction form
    28,716,390.40/43,098,086.40 = 28,492,441.60/x
  3. Step 3: Cross multiply
    28,716,390.40x = 43,098,086.40 × 28,492,441.60
  4. Step 4: Simplify right side
    28,716,390.40x = 1,227,969,709,823,754.25
  5. Step 5: Solve for x
    x = 1,227,969,709,823,754.25/28,716,390.40
  6. Step 6: Final answer
    x = 42,761,979.93

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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.