Home / 18,376,946.80-27,565,420.20-15,507,165.40

Finding the Fourth Proportional to 18,376,946.80, 27,565,420.20 and 15,507,165.40

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Solution

The fourth proportional to 18,376,946.80, 27,565,420.20 and 15,507,165.40 is: 23,260,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376,946.80 : 27,565,420.20 = 15,507,165.40 : x
  2. Step 2: Convert to fraction form
    18,376,946.80/27,565,420.20 = 15,507,165.40/x
  3. Step 3: Cross multiply
    18,376,946.80x = 27,565,420.20 × 15,507,165.40
  4. Step 4: Simplify right side
    18,376,946.80x = 427,461,530,361,901.06
  5. Step 5: Solve for x
    x = 427,461,530,361,901.06/18,376,946.80
  6. Step 6: Final answer
    x = 23,260,748.10

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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.