Home / 20,208,605.61-27,887,887.29-10,916,175.66

Finding the Fourth Proportional to 20,208,605.61, 27,887,887.29 and 10,916,175.66

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Solution

The fourth proportional to 20,208,605.61, 27,887,887.29 and 10,916,175.66 is: 15,064,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,208,605.61 : 27,887,887.29 = 10,916,175.66 : x
  2. Step 2: Convert to fraction form
    20,208,605.61/27,887,887.29 = 10,916,175.66/x
  3. Step 3: Cross multiply
    20,208,605.61x = 27,887,887.29 × 10,916,175.66
  4. Step 4: Simplify right side
    20,208,605.61x = 304,429,076,443,921.38
  5. Step 5: Solve for x
    x = 304,429,076,443,921.38/20,208,605.61
  6. Step 6: Final answer
    x = 15,064,328.65

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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.