Home / 28,919,017.10-43,376,997.76-9,485,683.20

Finding the Fourth Proportional to 28,919,017.10, 43,376,997.76 and 9,485,683.20

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Solution

The fourth proportional to 28,919,017.10, 43,376,997.76 and 9,485,683.20 is: 14,228,023.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,919,017.10 : 43,376,997.76 = 9,485,683.20 : x
  2. Step 2: Convert to fraction form
    28,919,017.10/43,376,997.76 = 9,485,683.20/x
  3. Step 3: Cross multiply
    28,919,017.10x = 43,376,997.76 × 9,485,683.20
  4. Step 4: Simplify right side
    28,919,017.10x = 411,460,458,894,755.38
  5. Step 5: Solve for x
    x = 411,460,458,894,755.38/28,919,017.10
  6. Step 6: Final answer
    x = 14,228,023.64

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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.