Home / 12,097,352.70-18,146,029.05-8,696,130.30

Finding the Fourth Proportional to 12,097,352.70, 18,146,029.05 and 8,696,130.30

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Solution

The fourth proportional to 12,097,352.70, 18,146,029.05 and 8,696,130.30 is: 13,044,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,352.70 : 18,146,029.05 = 8,696,130.30 : x
  2. Step 2: Convert to fraction form
    12,097,352.70/18,146,029.05 = 8,696,130.30/x
  3. Step 3: Cross multiply
    12,097,352.70x = 18,146,029.05 × 8,696,130.30
  4. Step 4: Simplify right side
    12,097,352.70x = 157,800,233,046,385.25
  5. Step 5: Solve for x
    x = 157,800,233,046,385.25/12,097,352.70
  6. Step 6: Final answer
    x = 13,044,195.45

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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.