Home / 28,043,486.70-42,069,166.65-8,872,244.70

Finding the Fourth Proportional to 28,043,486.70, 42,069,166.65 and 8,872,244.70

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Solution

The fourth proportional to 28,043,486.70, 42,069,166.65 and 8,872,244.70 is: 13,309,612.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043,486.70 : 42,069,166.65 = 8,872,244.70 : x
  2. Step 2: Convert to fraction form
    28,043,486.70/42,069,166.65 = 8,872,244.70/x
  3. Step 3: Cross multiply
    28,043,486.70x = 42,069,166.65 × 8,872,244.70
  4. Step 4: Simplify right side
    28,043,486.70x = 373,247,940,843,879.19
  5. Step 5: Solve for x
    x = 373,247,940,843,879.19/28,043,486.70
  6. Step 6: Final answer
    x = 13,309,612.49

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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.