Home / 11,456,949.65-15,852,224.52-9,989,915.19

Finding the Fourth Proportional to 11,456,949.65, 15,852,224.52 and 9,989,915.19

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Solution

The fourth proportional to 11,456,949.65, 15,852,224.52 and 9,989,915.19 is: 13,822,385.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,456,949.65 : 15,852,224.52 = 9,989,915.19 : x
  2. Step 2: Convert to fraction form
    11,456,949.65/15,852,224.52 = 9,989,915.19/x
  3. Step 3: Cross multiply
    11,456,949.65x = 15,852,224.52 × 9,989,915.19
  4. Step 4: Simplify right side
    11,456,949.65x = 158,362,378,527,638.44
  5. Step 5: Solve for x
    x = 158,362,378,527,638.44/11,456,949.65
  6. Step 6: Final answer
    x = 13,822,385.84

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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.