Home / 19,008,003.70-28,512,005.55-9,424,861.30

Finding the Fourth Proportional to 19,008,003.70, 28,512,005.55 and 9,424,861.30

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Solution

The fourth proportional to 19,008,003.70, 28,512,005.55 and 9,424,861.30 is: 14,137,291.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,003.70 : 28,512,005.55 = 9,424,861.30 : x
  2. Step 2: Convert to fraction form
    19,008,003.70/28,512,005.55 = 9,424,861.30/x
  3. Step 3: Cross multiply
    19,008,003.70x = 28,512,005.55 × 9,424,861.30
  4. Step 4: Simplify right side
    19,008,003.70x = 268,721,697,693,580.25
  5. Step 5: Solve for x
    x = 268,721,697,693,580.25/19,008,003.70
  6. Step 6: Final answer
    x = 14,137,291.95

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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.