Home / 13,503,956.95-18,635,459.25-7,309,002.63

Finding the Fourth Proportional to 13,503,956.95, 18,635,459.25 and 7,309,002.63

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Solution

The fourth proportional to 13,503,956.95, 18,635,459.25 and 7,309,002.63 is: 10,086,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,503,956.95 : 18,635,459.25 = 7,309,002.63 : x
  2. Step 2: Convert to fraction form
    13,503,956.95/18,635,459.25 = 7,309,002.63/x
  3. Step 3: Cross multiply
    13,503,956.95x = 18,635,459.25 × 7,309,002.63
  4. Step 4: Simplify right side
    13,503,956.95x = 136,206,620,669,507.83
  5. Step 5: Solve for x
    x = 136,206,620,669,507.83/13,503,956.95
  6. Step 6: Final answer
    x = 10,086,422.90

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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.