Home / 15,631,724.35-21,572,976.33-9,835,474.51

Finding the Fourth Proportional to 15,631,724.35, 21,572,976.33 and 9,835,474.51

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Solution

The fourth proportional to 15,631,724.35, 21,572,976.33 and 9,835,474.51 is: 13,573,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,631,724.35 : 21,572,976.33 = 9,835,474.51 : x
  2. Step 2: Convert to fraction form
    15,631,724.35/21,572,976.33 = 9,835,474.51/x
  3. Step 3: Cross multiply
    15,631,724.35x = 21,572,976.33 × 9,835,474.51
  4. Step 4: Simplify right side
    15,631,724.35x = 212,180,458,641,506.09
  5. Step 5: Solve for x
    x = 212,180,458,641,506.09/15,631,724.35
  6. Step 6: Final answer
    x = 13,573,707.80

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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.