Home / 28,280,039.29-42,420,854.94-7,809,758.95

Finding the Fourth Proportional to 28,280,039.29, 42,420,854.94 and 7,809,758.95

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Solution

The fourth proportional to 28,280,039.29, 42,420,854.94 and 7,809,758.95 is: 11,714,858.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,280,039.29 : 42,420,854.94 = 7,809,758.95 : x
  2. Step 2: Convert to fraction form
    28,280,039.29/42,420,854.94 = 7,809,758.95/x
  3. Step 3: Cross multiply
    28,280,039.29x = 42,420,854.94 × 7,809,758.95
  4. Step 4: Simplify right side
    28,280,039.29x = 331,296,651,534,316.69
  5. Step 5: Solve for x
    x = 331,296,651,534,316.69/28,280,039.29
  6. Step 6: Final answer
    x = 11,714,858.25

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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.