Home / 27,405,557.72-37,810,359.06-15,636,371.22

Finding the Fourth Proportional to 27,405,557.72, 37,810,359.06 and 15,636,371.22

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Solution

The fourth proportional to 27,405,557.72, 37,810,359.06 and 15,636,371.22 is: 21,572,880.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,405,557.72 : 37,810,359.06 = 15,636,371.22 : x
  2. Step 2: Convert to fraction form
    27,405,557.72/37,810,359.06 = 15,636,371.22/x
  3. Step 3: Cross multiply
    27,405,557.72x = 37,810,359.06 × 15,636,371.22
  4. Step 4: Simplify right side
    27,405,557.72x = 591,216,810,165,013.88
  5. Step 5: Solve for x
    x = 591,216,810,165,013.88/27,405,557.72
  6. Step 6: Final answer
    x = 21,572,880.08

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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.