Home / 27,955,730.66-38,572,525.77-15,728,126.18

Finding the Fourth Proportional to 27,955,730.66, 38,572,525.77 and 15,728,126.18

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Solution

The fourth proportional to 27,955,730.66, 38,572,525.77 and 15,728,126.18 is: 21,701,223.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,955,730.66 : 38,572,525.77 = 15,728,126.18 : x
  2. Step 2: Convert to fraction form
    27,955,730.66/38,572,525.77 = 15,728,126.18/x
  3. Step 3: Cross multiply
    27,955,730.66x = 38,572,525.77 × 15,728,126.18
  4. Step 4: Simplify right side
    27,955,730.66x = 606,673,552,391,861.75
  5. Step 5: Solve for x
    x = 606,673,552,391,861.75/27,955,730.66
  6. Step 6: Final answer
    x = 21,701,223.26

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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.