Home / 7,689,500.40-11,536,000.20-4,492,981.20

Finding the Fourth Proportional to 7,689,500.40, 11,536,000.20 and 4,492,981.20

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Solution

The fourth proportional to 7,689,500.40, 11,536,000.20 and 4,492,981.20 is: 6,740,494.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689,500.40 : 11,536,000.20 = 4,492,981.20 : x
  2. Step 2: Convert to fraction form
    7,689,500.40/11,536,000.20 = 4,492,981.20/x
  3. Step 3: Cross multiply
    7,689,500.40x = 11,536,000.20 × 4,492,981.20
  4. Step 4: Simplify right side
    7,689,500.40x = 51,831,032,021,796.24
  5. Step 5: Solve for x
    x = 51,831,032,021,796.24/7,689,500.40
  6. Step 6: Final answer
    x = 6,740,494.09

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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.