Home / 12,481,521.40-18,724,355.70-4,908,734.20

Finding the Fourth Proportional to 12,481,521.40, 18,724,355.70 and 4,908,734.20

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Solution

The fourth proportional to 12,481,521.40, 18,724,355.70 and 4,908,734.20 is: 7,363,916.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,521.40 : 18,724,355.70 = 4,908,734.20 : x
  2. Step 2: Convert to fraction form
    12,481,521.40/18,724,355.70 = 4,908,734.20/x
  3. Step 3: Cross multiply
    12,481,521.40x = 18,724,355.70 × 4,908,734.20
  4. Step 4: Simplify right side
    12,481,521.40x = 91,912,885,197,554.94
  5. Step 5: Solve for x
    x = 91,912,885,197,554.94/12,481,521.40
  6. Step 6: Final answer
    x = 7,363,916.81

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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.