Home / 28,728,218.70-43,092,328.05-9,559,601.10

Finding the Fourth Proportional to 28,728,218.70, 43,092,328.05 and 9,559,601.10

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Solution

The fourth proportional to 28,728,218.70, 43,092,328.05 and 9,559,601.10 is: 14,339,401.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728,218.70 : 43,092,328.05 = 9,559,601.10 : x
  2. Step 2: Convert to fraction form
    28,728,218.70/43,092,328.05 = 9,559,601.10/x
  3. Step 3: Cross multiply
    28,728,218.70x = 43,092,328.05 × 9,559,601.10
  4. Step 4: Simplify right side
    28,728,218.70x = 411,945,466,628,340.81
  5. Step 5: Solve for x
    x = 411,945,466,628,340.81/28,728,218.70
  6. Step 6: Final answer
    x = 14,339,401.65

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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.