Home / 6,920,167.71-9,547,913.82-3,979,824.51

Finding the Fourth Proportional to 6,920,167.71, 9,547,913.82 and 3,979,824.51

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Solution

The fourth proportional to 6,920,167.71, 9,547,913.82 and 3,979,824.51 is: 5,491,054.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920,167.71 : 9,547,913.82 = 3,979,824.51 : x
  2. Step 2: Convert to fraction form
    6,920,167.71/9,547,913.82 = 3,979,824.51/x
  3. Step 3: Cross multiply
    6,920,167.71x = 9,547,913.82 × 3,979,824.51
  4. Step 4: Simplify right side
    6,920,167.71x = 37,999,021,440,203.73
  5. Step 5: Solve for x
    x = 37,999,021,440,203.73/6,920,167.71
  6. Step 6: Final answer
    x = 5,491,054.99

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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.