Home / 12,704,639.19-17,532,513.09-6,903,420.81

Finding the Fourth Proportional to 12,704,639.19, 17,532,513.09 and 6,903,420.81

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Solution

The fourth proportional to 12,704,639.19, 17,532,513.09 and 6,903,420.81 is: 9,526,781.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,704,639.19 : 17,532,513.09 = 6,903,420.81 : x
  2. Step 2: Convert to fraction form
    12,704,639.19/17,532,513.09 = 6,903,420.81/x
  3. Step 3: Cross multiply
    12,704,639.19x = 17,532,513.09 × 6,903,420.81
  4. Step 4: Simplify right side
    12,704,639.19x = 121,034,315,717,103.39
  5. Step 5: Solve for x
    x = 121,034,315,717,103.39/12,704,639.19
  6. Step 6: Final answer
    x = 9,526,781.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.