Home / 15,582,303.72-21,503,687.22-8,707,075.56

Finding the Fourth Proportional to 15,582,303.72, 21,503,687.22 and 8,707,075.56

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Solution

The fourth proportional to 15,582,303.72, 21,503,687.22 and 8,707,075.56 is: 12,015,824.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,582,303.72 : 21,503,687.22 = 8,707,075.56 : x
  2. Step 2: Convert to fraction form
    15,582,303.72/21,503,687.22 = 8,707,075.56/x
  3. Step 3: Cross multiply
    15,582,303.72x = 21,503,687.22 × 8,707,075.56
  4. Step 4: Simplify right side
    15,582,303.72x = 187,234,229,443,146.34
  5. Step 5: Solve for x
    x = 187,234,229,443,146.34/15,582,303.72
  6. Step 6: Final answer
    x = 12,015,824.67

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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.