Home / 19,404,890.80-29,107,336.20-13,731,521.20

Finding the Fourth Proportional to 19,404,890.80, 29,107,336.20 and 13,731,521.20

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Solution

The fourth proportional to 19,404,890.80, 29,107,336.20 and 13,731,521.20 is: 20,597,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,404,890.80 : 29,107,336.20 = 13,731,521.20 : x
  2. Step 2: Convert to fraction form
    19,404,890.80/29,107,336.20 = 13,731,521.20/x
  3. Step 3: Cross multiply
    19,404,890.80x = 29,107,336.20 × 13,731,521.20
  4. Step 4: Simplify right side
    19,404,890.80x = 399,688,004,105,827.44
  5. Step 5: Solve for x
    x = 399,688,004,105,827.44/19,404,890.80
  6. Step 6: Final answer
    x = 20,597,281.80

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1.5x scale

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.