Home / 12,051,052.30-18,058,859.14-7,122,010.84

Finding the Fourth Proportional to 12,051,052.30, 18,058,859.14 and 7,122,010.84

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Solution

The fourth proportional to 12,051,052.30, 18,058,859.14 and 7,122,010.84 is: 10,672,544.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051,052.30 : 18,058,859.14 = 7,122,010.84 : x
  2. Step 2: Convert to fraction form
    12,051,052.30/18,058,859.14 = 7,122,010.84/x
  3. Step 3: Cross multiply
    12,051,052.30x = 18,058,859.14 × 7,122,010.84
  4. Step 4: Simplify right side
    12,051,052.30x = 128,615,390,553,113.08
  5. Step 5: Solve for x
    x = 128,615,390,553,113.08/12,051,052.30
  6. Step 6: Final answer
    x = 10,672,544.38

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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.