Home / 12,491,391.24-17,236,792.80-6,908,750.64

Finding the Fourth Proportional to 12,491,391.24, 17,236,792.80 and 6,908,750.64

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Solution

The fourth proportional to 12,491,391.24, 17,236,792.80 and 6,908,750.64 is: 9,533,341.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,491,391.24 : 17,236,792.80 = 6,908,750.64 : x
  2. Step 2: Convert to fraction form
    12,491,391.24/17,236,792.80 = 6,908,750.64/x
  3. Step 3: Cross multiply
    12,491,391.24x = 17,236,792.80 × 6,908,750.64
  4. Step 4: Simplify right side
    12,491,391.24x = 119,084,703,288,547.39
  5. Step 5: Solve for x
    x = 119,084,703,288,547.39/12,491,391.24
  6. Step 6: Final answer
    x = 9,533,341.88

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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.