Home / 12,576,133.90-18,864,200.85-4,492,981.90

Finding the Fourth Proportional to 12,576,133.90, 18,864,200.85 and 4,492,981.90

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Solution

The fourth proportional to 12,576,133.90, 18,864,200.85 and 4,492,981.90 is: 6,739,472.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576,133.90 : 18,864,200.85 = 4,492,981.90 : x
  2. Step 2: Convert to fraction form
    12,576,133.90/18,864,200.85 = 4,492,981.90/x
  3. Step 3: Cross multiply
    12,576,133.90x = 18,864,200.85 × 4,492,981.90
  4. Step 4: Simplify right side
    12,576,133.90x = 84,756,512,977,014.62
  5. Step 5: Solve for x
    x = 84,756,512,977,014.62/12,576,133.90
  6. Step 6: Final answer
    x = 6,739,472.85

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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.