Home / 15,487,623.36-21,372,042.78-8,611,957.80

Finding the Fourth Proportional to 15,487,623.36, 21,372,042.78 and 8,611,957.80

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Solution

The fourth proportional to 15,487,623.36, 21,372,042.78 and 8,611,957.80 is: 11,884,013.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487,623.36 : 21,372,042.78 = 8,611,957.80 : x
  2. Step 2: Convert to fraction form
    15,487,623.36/21,372,042.78 = 8,611,957.80/x
  3. Step 3: Cross multiply
    15,487,623.36x = 21,372,042.78 × 8,611,957.80
  4. Step 4: Simplify right side
    15,487,623.36x = 184,055,130,521,154.72
  5. Step 5: Solve for x
    x = 184,055,130,521,154.72/15,487,623.36
  6. Step 6: Final answer
    x = 11,884,013.85

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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.