Home / 27,116,156.32-37,431,746.78-18,307,540.24

Finding the Fourth Proportional to 27,116,156.32, 37,431,746.78 and 18,307,540.24

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Solution

The fourth proportional to 27,116,156.32, 37,431,746.78 and 18,307,540.24 is: 25,272,136.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,116,156.32 : 37,431,746.78 = 18,307,540.24 : x
  2. Step 2: Convert to fraction form
    27,116,156.32/37,431,746.78 = 18,307,540.24/x
  3. Step 3: Cross multiply
    27,116,156.32x = 37,431,746.78 × 18,307,540.24
  4. Step 4: Simplify right side
    27,116,156.32x = 685,283,210,243,223.38
  5. Step 5: Solve for x
    x = 685,283,210,243,223.38/27,116,156.32
  6. Step 6: Final answer
    x = 25,272,136.74

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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.