Home / 10,638,285.26-15,938,183.62-4,885,830.86

Finding the Fourth Proportional to 10,638,285.26, 15,938,183.62 and 4,885,830.86

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Solution

The fourth proportional to 10,638,285.26, 15,938,183.62 and 4,885,830.86 is: 7,319,908.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638,285.26 : 15,938,183.62 = 4,885,830.86 : x
  2. Step 2: Convert to fraction form
    10,638,285.26/15,938,183.62 = 4,885,830.86/x
  3. Step 3: Cross multiply
    10,638,285.26x = 15,938,183.62 × 4,885,830.86
  4. Step 4: Simplify right side
    10,638,285.26x = 77,871,269,382,942.52
  5. Step 5: Solve for x
    x = 77,871,269,382,942.52/10,638,285.26
  6. Step 6: Final answer
    x = 7,319,908.00

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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.