Home / 12,038,640.76-18,057,611.22-3,519,177.40

Finding the Fourth Proportional to 12,038,640.76, 18,057,611.22 and 3,519,177.40

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Solution

The fourth proportional to 12,038,640.76, 18,057,611.22 and 3,519,177.40 is: 5,278,663.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038,640.76 : 18,057,611.22 = 3,519,177.40 : x
  2. Step 2: Convert to fraction form
    12,038,640.76/18,057,611.22 = 3,519,177.40/x
  3. Step 3: Cross multiply
    12,038,640.76x = 18,057,611.22 × 3,519,177.40
  4. Step 4: Simplify right side
    12,038,640.76x = 63,547,937,303,410.42
  5. Step 5: Solve for x
    x = 63,547,937,303,410.42/12,038,640.76
  6. Step 6: Final answer
    x = 5,278,663.81

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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.