Home / 12,288,801.45-18,435,662.55-3,652,885.20

Finding the Fourth Proportional to 12,288,801.45, 18,435,662.55 and 3,652,885.20

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Solution

The fourth proportional to 12,288,801.45, 18,435,662.55 and 3,652,885.20 is: 5,480,059.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,288,801.45 : 18,435,662.55 = 3,652,885.20 : x
  2. Step 2: Convert to fraction form
    12,288,801.45/18,435,662.55 = 3,652,885.20/x
  3. Step 3: Cross multiply
    12,288,801.45x = 18,435,662.55 × 3,652,885.20
  4. Step 4: Simplify right side
    12,288,801.45x = 67,343,358,881,089.27
  5. Step 5: Solve for x
    x = 67,343,358,881,089.27/12,288,801.45
  6. Step 6: Final answer
    x = 5,480,059.15

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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.