Home / 20,911,528.98-31,359,870.34-6,135,499.88

Finding the Fourth Proportional to 20,911,528.98, 31,359,870.34 and 6,135,499.88

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Solution

The fourth proportional to 20,911,528.98, 31,359,870.34 and 6,135,499.88 is: 9,201,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,911,528.98 : 31,359,870.34 = 6,135,499.88 : x
  2. Step 2: Convert to fraction form
    20,911,528.98/31,359,870.34 = 6,135,499.88/x
  3. Step 3: Cross multiply
    20,911,528.98x = 31,359,870.34 × 6,135,499.88
  4. Step 4: Simplify right side
    20,911,528.98x = 192,408,480,707,885.56
  5. Step 5: Solve for x
    x = 192,408,480,707,885.56/20,911,528.98
  6. Step 6: Final answer
    x = 9,201,071.85

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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.