Home / 12,232,930.40-18,348,812.40-4,145,112.80

Finding the Fourth Proportional to 12,232,930.40, 18,348,812.40 and 4,145,112.80

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Solution

The fourth proportional to 12,232,930.40, 18,348,812.40 and 4,145,112.80 is: 6,217,471.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232,930.40 : 18,348,812.40 = 4,145,112.80 : x
  2. Step 2: Convert to fraction form
    12,232,930.40/18,348,812.40 = 4,145,112.80/x
  3. Step 3: Cross multiply
    12,232,930.40x = 18,348,812.40 × 4,145,112.80
  4. Step 4: Simplify right side
    12,232,930.40x = 76,057,897,144,038.70
  5. Step 5: Solve for x
    x = 76,057,897,144,038.70/12,232,930.40
  6. Step 6: Final answer
    x = 6,217,471.58

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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.