Home / 12,325,082.40-18,487,623.60-12,115,130.40

Finding the Fourth Proportional to 12,325,082.40, 18,487,623.60 and 12,115,130.40

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Solution

The fourth proportional to 12,325,082.40, 18,487,623.60 and 12,115,130.40 is: 18,172,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325,082.40 : 18,487,623.60 = 12,115,130.40 : x
  2. Step 2: Convert to fraction form
    12,325,082.40/18,487,623.60 = 12,115,130.40/x
  3. Step 3: Cross multiply
    12,325,082.40x = 18,487,623.60 × 12,115,130.40
  4. Step 4: Simplify right side
    12,325,082.40x = 223,979,970,700,117.47
  5. Step 5: Solve for x
    x = 223,979,970,700,117.47/12,325,082.40
  6. Step 6: Final answer
    x = 18,172,695.60

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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.