Home / 39,856,552.20-59,784,828.30-12,930,208.20

Finding the Fourth Proportional to 39,856,552.20, 59,784,828.30 and 12,930,208.20

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Solution

The fourth proportional to 39,856,552.20, 59,784,828.30 and 12,930,208.20 is: 19,395,312.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,856,552.20 : 59,784,828.30 = 12,930,208.20 : x
  2. Step 2: Convert to fraction form
    39,856,552.20/59,784,828.30 = 12,930,208.20/x
  3. Step 3: Cross multiply
    39,856,552.20x = 59,784,828.30 × 12,930,208.20
  4. Step 4: Simplify right side
    39,856,552.20x = 773,030,277,120,252
  5. Step 5: Solve for x
    x = 773,030,277,120,252/39,856,552.20
  6. Step 6: Final answer
    x = 19,395,312.30

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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.