Home / 12,475,721.88-18,721,047.80-11,460,487.32

Finding the Fourth Proportional to 12,475,721.88, 18,721,047.80 and 11,460,487.32

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Solution

The fourth proportional to 12,475,721.88, 18,721,047.80 and 11,460,487.32 is: 17,197,588.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475,721.88 : 18,721,047.80 = 11,460,487.32 : x
  2. Step 2: Convert to fraction form
    12,475,721.88/18,721,047.80 = 11,460,487.32/x
  3. Step 3: Cross multiply
    12,475,721.88x = 18,721,047.80 × 11,460,487.32
  4. Step 4: Simplify right side
    12,475,721.88x = 214,552,330,929,013.91
  5. Step 5: Solve for x
    x = 214,552,330,929,013.91/12,475,721.88
  6. Step 6: Final answer
    x = 17,197,588.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.