Home / 28,518,948.61-42,772,436.73-8,043,879.94

Finding the Fourth Proportional to 28,518,948.61, 42,772,436.73 and 8,043,879.94

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Solution

The fourth proportional to 28,518,948.61, 42,772,436.73 and 8,043,879.94 is: 12,064,131.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,518,948.61 : 42,772,436.73 = 8,043,879.94 : x
  2. Step 2: Convert to fraction form
    28,518,948.61/42,772,436.73 = 8,043,879.94/x
  3. Step 3: Cross multiply
    28,518,948.61x = 42,772,436.73 × 8,043,879.94
  4. Step 4: Simplify right side
    28,518,948.61x = 344,056,345,690,435.06
  5. Step 5: Solve for x
    x = 344,056,345,690,435.06/28,518,948.61
  6. Step 6: Final answer
    x = 12,064,131.48

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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.