Home / 13,587,203.07-18,750,524.89-7,392,323.78

Finding the Fourth Proportional to 13,587,203.07, 18,750,524.89 and 7,392,323.78

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Solution

The fourth proportional to 13,587,203.07, 18,750,524.89 and 7,392,323.78 is: 10,201,507.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587,203.07 : 18,750,524.89 = 7,392,323.78 : x
  2. Step 2: Convert to fraction form
    13,587,203.07/18,750,524.89 = 7,392,323.78/x
  3. Step 3: Cross multiply
    13,587,203.07x = 18,750,524.89 × 7,392,323.78
  4. Step 4: Simplify right side
    13,587,203.07x = 138,609,951,031,828.89
  5. Step 5: Solve for x
    x = 138,609,951,031,828.89/13,587,203.07
  6. Step 6: Final answer
    x = 10,201,507.28

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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.