Home / 28,149,695.61-42,228,020.75-9,950,137.71

Finding the Fourth Proportional to 28,149,695.61, 42,228,020.75 and 9,950,137.71

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Solution

The fourth proportional to 28,149,695.61, 42,228,020.75 and 9,950,137.71 is: 14,926,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,149,695.61 : 42,228,020.75 = 9,950,137.71 : x
  2. Step 2: Convert to fraction form
    28,149,695.61/42,228,020.75 = 9,950,137.71/x
  3. Step 3: Cross multiply
    28,149,695.61x = 42,228,020.75 × 9,950,137.71
  4. Step 4: Simplify right side
    28,149,695.61x = 420,174,621,633,486.81
  5. Step 5: Solve for x
    x = 420,174,621,633,486.81/28,149,695.61
  6. Step 6: Final answer
    x = 14,926,435.70

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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.