Home / 28,779,892.60-43,192,225.26-20,087,523.76

Finding the Fourth Proportional to 28,779,892.60, 43,192,225.26 and 20,087,523.76

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Solution

The fourth proportional to 28,779,892.60, 43,192,225.26 and 20,087,523.76 is: 30,146,910.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,779,892.60 : 43,192,225.26 = 20,087,523.76 : x
  2. Step 2: Convert to fraction form
    28,779,892.60/43,192,225.26 = 20,087,523.76/x
  3. Step 3: Cross multiply
    28,779,892.60x = 43,192,225.26 × 20,087,523.76
  4. Step 4: Simplify right side
    28,779,892.60x = 867,624,851,157,522.25
  5. Step 5: Solve for x
    x = 867,624,851,157,522.25/28,779,892.60
  6. Step 6: Final answer
    x = 30,146,910.66

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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.