Home / 12,439,244.48-18,658,866.72-7,116,728

Finding the Fourth Proportional to 12,439,244.48, 18,658,866.72 and 7,116,728

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Solution

The fourth proportional to 12,439,244.48, 18,658,866.72 and 7,116,728 is: 10,675,092

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,439,244.48 : 18,658,866.72 = 7,116,728 : x
  2. Step 2: Convert to fraction form
    12,439,244.48/18,658,866.72 = 7,116,728/x
  3. Step 3: Cross multiply
    12,439,244.48x = 18,658,866.72 × 7,116,728
  4. Step 4: Simplify right side
    12,439,244.48x = 132,790,079,234,492.16
  5. Step 5: Solve for x
    x = 132,790,079,234,492.16/12,439,244.48
  6. Step 6: Final answer
    x = 10,675,092

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1.5x scale

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.