Home / 13,758,037.92-18,986,333.78-7,563,345.74

Finding the Fourth Proportional to 13,758,037.92, 18,986,333.78 and 7,563,345.74

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Solution

The fourth proportional to 13,758,037.92, 18,986,333.78 and 7,563,345.74 is: 10,437,549.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,758,037.92 : 18,986,333.78 = 7,563,345.74 : x
  2. Step 2: Convert to fraction form
    13,758,037.92/18,986,333.78 = 7,563,345.74/x
  3. Step 3: Cross multiply
    13,758,037.92x = 18,986,333.78 × 7,563,345.74
  4. Step 4: Simplify right side
    13,758,037.92x = 143,600,206,713,181.12
  5. Step 5: Solve for x
    x = 143,600,206,713,181.12/13,758,037.92
  6. Step 6: Final answer
    x = 10,437,549.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.