Home / 31,351,092.93-47,029,607.64-12,183,328.26

Finding the Fourth Proportional to 31,351,092.93, 47,029,607.64 and 12,183,328.26

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Solution

The fourth proportional to 31,351,092.93, 47,029,607.64 and 12,183,328.26 is: 18,276,145.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,351,092.93 : 47,029,607.64 = 12,183,328.26 : x
  2. Step 2: Convert to fraction form
    31,351,092.93/47,029,607.64 = 12,183,328.26/x
  3. Step 3: Cross multiply
    31,351,092.93x = 47,029,607.64 × 12,183,328.26
  4. Step 4: Simplify right side
    31,351,092.93x = 572,977,147,817,123.88
  5. Step 5: Solve for x
    x = 572,977,147,817,123.88/31,351,092.93
  6. Step 6: Final answer
    x = 18,276,145.88

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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.