Home / 12,178,638.08-18,270,522.24-4,605,436.16

Finding the Fourth Proportional to 12,178,638.08, 18,270,522.24 and 4,605,436.16

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Solution

The fourth proportional to 12,178,638.08, 18,270,522.24 and 4,605,436.16 is: 6,909,124.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178,638.08 : 18,270,522.24 = 4,605,436.16 : x
  2. Step 2: Convert to fraction form
    12,178,638.08/18,270,522.24 = 4,605,436.16/x
  3. Step 3: Cross multiply
    12,178,638.08x = 18,270,522.24 × 4,605,436.16
  4. Step 4: Simplify right side
    12,178,638.08x = 84,143,723,786,180.19
  5. Step 5: Solve for x
    x = 84,143,723,786,180.19/12,178,638.08
  6. Step 6: Final answer
    x = 6,909,124.26

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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.