Home / 27,456,288.88-37,889,683.32-15,233,116.72

Finding the Fourth Proportional to 27,456,288.88, 37,889,683.32 and 15,233,116.72

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Solution

The fourth proportional to 27,456,288.88, 37,889,683.32 and 15,233,116.72 is: 21,021,703.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,456,288.88 : 37,889,683.32 = 15,233,116.72 : x
  2. Step 2: Convert to fraction form
    27,456,288.88/37,889,683.32 = 15,233,116.72/x
  3. Step 3: Cross multiply
    27,456,288.88x = 37,889,683.32 × 15,233,116.72
  4. Step 4: Simplify right side
    27,456,288.88x = 577,177,968,497,397.12
  5. Step 5: Solve for x
    x = 577,177,968,497,397.12/27,456,288.88
  6. Step 6: Final answer
    x = 21,021,703.66

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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.