Home / 13,107,186.54-18,088,529.85-7,306,010.28

Finding the Fourth Proportional to 13,107,186.54, 18,088,529.85 and 7,306,010.28

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Solution

The fourth proportional to 13,107,186.54, 18,088,529.85 and 7,306,010.28 is: 10,082,635.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107,186.54 : 18,088,529.85 = 7,306,010.28 : x
  2. Step 2: Convert to fraction form
    13,107,186.54/18,088,529.85 = 7,306,010.28/x
  3. Step 3: Cross multiply
    13,107,186.54x = 18,088,529.85 × 7,306,010.28
  4. Step 4: Simplify right side
    13,107,186.54x = 132,154,985,034,186.88
  5. Step 5: Solve for x
    x = 132,154,985,034,186.88/13,107,186.54
  6. Step 6: Final answer
    x = 10,082,635.55

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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.