Home / 28,748,952.40-43,123,428.60-13,632,408.40

Finding the Fourth Proportional to 28,748,952.40, 43,123,428.60 and 13,632,408.40

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Solution

The fourth proportional to 28,748,952.40, 43,123,428.60 and 13,632,408.40 is: 20,448,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,748,952.40 : 43,123,428.60 = 13,632,408.40 : x
  2. Step 2: Convert to fraction form
    28,748,952.40/43,123,428.60 = 13,632,408.40/x
  3. Step 3: Cross multiply
    28,748,952.40x = 43,123,428.60 × 13,632,408.40
  4. Step 4: Simplify right side
    28,748,952.40x = 587,876,190,283,440.25
  5. Step 5: Solve for x
    x = 587,876,190,283,440.25/28,748,952.40
  6. Step 6: Final answer
    x = 20,448,612.60

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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.