Home / 18,740,032.20-28,047,840.30-13,607,872.20

Finding the Fourth Proportional to 18,740,032.20, 28,047,840.30 and 13,607,872.20

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Solution

The fourth proportional to 18,740,032.20, 28,047,840.30 and 13,607,872.20 is: 20,366,636.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740,032.20 : 28,047,840.30 = 13,607,872.20 : x
  2. Step 2: Convert to fraction form
    18,740,032.20/28,047,840.30 = 13,607,872.20/x
  3. Step 3: Cross multiply
    18,740,032.20x = 28,047,840.30 × 13,607,872.20
  4. Step 4: Simplify right side
    18,740,032.20x = 381,671,426,288,409.62
  5. Step 5: Solve for x
    x = 381,671,426,288,409.62/18,740,032.20
  6. Step 6: Final answer
    x = 20,366,636.63

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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.