Home / 47,904,356.16-71,855,494.20-13,359,835.80

Finding the Fourth Proportional to 47,904,356.16, 71,855,494.20 and 13,359,835.80

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Solution

The fourth proportional to 47,904,356.16, 71,855,494.20 and 13,359,835.80 is: 20,039,463.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,904,356.16 : 71,855,494.20 = 13,359,835.80 : x
  2. Step 2: Convert to fraction form
    47,904,356.16/71,855,494.20 = 13,359,835.80/x
  3. Step 3: Cross multiply
    47,904,356.16x = 71,855,494.20 × 13,359,835.80
  4. Step 4: Simplify right side
    47,904,356.16x = 959,977,603,839,852.50
  5. Step 5: Solve for x
    x = 959,977,603,839,852.50/47,904,356.16
  6. Step 6: Final answer
    x = 20,039,463.65

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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.