Home / 11,658,032.70-17,487,049.05-8,485,424.70

Finding the Fourth Proportional to 11,658,032.70, 17,487,049.05 and 8,485,424.70

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Solution

The fourth proportional to 11,658,032.70, 17,487,049.05 and 8,485,424.70 is: 12,728,137.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,658,032.70 : 17,487,049.05 = 8,485,424.70 : x
  2. Step 2: Convert to fraction form
    11,658,032.70/17,487,049.05 = 8,485,424.70/x
  3. Step 3: Cross multiply
    11,658,032.70x = 17,487,049.05 × 8,485,424.70
  4. Step 4: Simplify right side
    11,658,032.70x = 148,385,037,938,981.53
  5. Step 5: Solve for x
    x = 148,385,037,938,981.53/11,658,032.70
  6. Step 6: Final answer
    x = 12,728,137.05

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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.