Home / 15,501,785.80-23,210,688.30-12,142,553.80

Finding the Fourth Proportional to 15,501,785.80, 23,210,688.30 and 12,142,553.80

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Solution

The fourth proportional to 15,501,785.80, 23,210,688.30 and 12,142,553.80 is: 18,180,939.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,501,785.80 : 23,210,688.30 = 12,142,553.80 : x
  2. Step 2: Convert to fraction form
    15,501,785.80/23,210,688.30 = 12,142,553.80/x
  3. Step 3: Cross multiply
    15,501,785.80x = 23,210,688.30 × 12,142,553.80
  4. Step 4: Simplify right side
    15,501,785.80x = 281,837,031,417,780.56
  5. Step 5: Solve for x
    x = 281,837,031,417,780.56/15,501,785.80
  6. Step 6: Final answer
    x = 18,180,939.61

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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.