Home / 15,285,927.72-21,095,084.70-8,760,808.20

Finding the Fourth Proportional to 15,285,927.72, 21,095,084.70 and 8,760,808.20

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Solution

The fourth proportional to 15,285,927.72, 21,095,084.70 and 8,760,808.20 is: 12,090,204.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285,927.72 : 21,095,084.70 = 8,760,808.20 : x
  2. Step 2: Convert to fraction form
    15,285,927.72/21,095,084.70 = 8,760,808.20/x
  3. Step 3: Cross multiply
    15,285,927.72x = 21,095,084.70 × 8,760,808.20
  4. Step 4: Simplify right side
    15,285,927.72x = 184,809,991,019,454.53
  5. Step 5: Solve for x
    x = 184,809,991,019,454.53/15,285,927.72
  6. Step 6: Final answer
    x = 12,090,204.43

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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.