Home / 27,071,018.55-40,608,921.29-7,640,417.79

Finding the Fourth Proportional to 27,071,018.55, 40,608,921.29 and 7,640,417.79

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Solution

The fourth proportional to 27,071,018.55, 40,608,921.29 and 7,640,417.79 is: 11,461,302.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,071,018.55 : 40,608,921.29 = 7,640,417.79 : x
  2. Step 2: Convert to fraction form
    27,071,018.55/40,608,921.29 = 7,640,417.79/x
  3. Step 3: Cross multiply
    27,071,018.55x = 40,608,921.29 × 7,640,417.79
  4. Step 4: Simplify right side
    27,071,018.55x = 310,269,124,618,623.62
  5. Step 5: Solve for x
    x = 310,269,124,618,623.62/27,071,018.55
  6. Step 6: Final answer
    x = 11,461,302.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.