Home / 11,456,952.66-15,852,228.66-9,989,918.20

Finding the Fourth Proportional to 11,456,952.66, 15,852,228.66 and 9,989,918.20

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Solution

The fourth proportional to 11,456,952.66, 15,852,228.66 and 9,989,918.20 is: 13,822,389.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,456,952.66 : 15,852,228.66 = 9,989,918.20 : x
  2. Step 2: Convert to fraction form
    11,456,952.66/15,852,228.66 = 9,989,918.20/x
  3. Step 3: Cross multiply
    11,456,952.66x = 15,852,228.66 × 9,989,918.20
  4. Step 4: Simplify right side
    11,456,952.66x = 158,362,467,601,095.59
  5. Step 5: Solve for x
    x = 158,362,467,601,095.59/11,456,952.66
  6. Step 6: Final answer
    x = 13,822,389.98

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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.