Home / 38,974,429.40-58,461,644.10-12,048,042.20

Finding the Fourth Proportional to 38,974,429.40, 58,461,644.10 and 12,048,042.20

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Solution

The fourth proportional to 38,974,429.40, 58,461,644.10 and 12,048,042.20 is: 18,072,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,974,429.40 : 58,461,644.10 = 12,048,042.20 : x
  2. Step 2: Convert to fraction form
    38,974,429.40/58,461,644.10 = 12,048,042.20/x
  3. Step 3: Cross multiply
    38,974,429.40x = 58,461,644.10 × 12,048,042.20
  4. Step 4: Simplify right side
    38,974,429.40x = 704,348,355,198,181
  5. Step 5: Solve for x
    x = 704,348,355,198,181/38,974,429.40
  6. Step 6: Final answer
    x = 18,072,063.30

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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.