Home / 13,631,846.04-18,812,000.39-7,437,031.92

Finding the Fourth Proportional to 13,631,846.04, 18,812,000.39 and 7,437,031.92

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Solution

The fourth proportional to 13,631,846.04, 18,812,000.39 and 7,437,031.92 is: 10,263,132.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,631,846.04 : 18,812,000.39 = 7,437,031.92 : x
  2. Step 2: Convert to fraction form
    13,631,846.04/18,812,000.39 = 7,437,031.92/x
  3. Step 3: Cross multiply
    13,631,846.04x = 18,812,000.39 × 7,437,031.92
  4. Step 4: Simplify right side
    13,631,846.04x = 139,905,447,342,297.30
  5. Step 5: Solve for x
    x = 139,905,447,342,297.30/13,631,846.04
  6. Step 6: Final answer
    x = 10,263,132.88

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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.