Home / 15,623,550.50-21,601,641.32-13,684,246.47

Finding the Fourth Proportional to 15,623,550.50, 21,601,641.32 and 13,684,246.47

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Solution

The fourth proportional to 15,623,550.50, 21,601,641.32 and 13,684,246.47 is: 18,920,294.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,623,550.50 : 21,601,641.32 = 13,684,246.47 : x
  2. Step 2: Convert to fraction form
    15,623,550.50/21,601,641.32 = 13,684,246.47/x
  3. Step 3: Cross multiply
    15,623,550.50x = 21,601,641.32 × 13,684,246.47
  4. Step 4: Simplify right side
    15,623,550.50x = 295,602,183,910,994.94
  5. Step 5: Solve for x
    x = 295,602,183,910,994.94/15,623,550.50
  6. Step 6: Final answer
    x = 18,920,294.97

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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.