Home / 15,422,636.22-21,284,466.65-8,547,776.70

Finding the Fourth Proportional to 15,422,636.22, 21,284,466.65 and 8,547,776.70

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Solution

The fourth proportional to 15,422,636.22, 21,284,466.65 and 8,547,776.70 is: 11,796,612.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422,636.22 : 21,284,466.65 = 8,547,776.70 : x
  2. Step 2: Convert to fraction form
    15,422,636.22/21,284,466.65 = 8,547,776.70/x
  3. Step 3: Cross multiply
    15,422,636.22x = 21,284,466.65 × 8,547,776.70
  4. Step 4: Simplify right side
    15,422,636.22x = 181,934,868,102,797.03
  5. Step 5: Solve for x
    x = 181,934,868,102,797.03/15,422,636.22
  6. Step 6: Final answer
    x = 11,796,612.82

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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.