Home / 18,376,948.20-27,565,422.30-15,507,166.80

Finding the Fourth Proportional to 18,376,948.20, 27,565,422.30 and 15,507,166.80

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Solution

The fourth proportional to 18,376,948.20, 27,565,422.30 and 15,507,166.80 is: 23,260,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376,948.20 : 27,565,422.30 = 15,507,166.80 : x
  2. Step 2: Convert to fraction form
    18,376,948.20/27,565,422.30 = 15,507,166.80/x
  3. Step 3: Cross multiply
    18,376,948.20x = 27,565,422.30 × 15,507,166.80
  4. Step 4: Simplify right side
    18,376,948.20x = 427,461,601,518,539.69
  5. Step 5: Solve for x
    x = 427,461,601,518,539.69/18,376,948.20
  6. Step 6: Final answer
    x = 23,260,750.20

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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.