Home / 27,178,166.66-37,507,421.88-15,577,662.56

Finding the Fourth Proportional to 27,178,166.66, 37,507,421.88 and 15,577,662.56

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Solution

The fourth proportional to 27,178,166.66, 37,507,421.88 and 15,577,662.56 is: 21,498,063.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,178,166.66 : 37,507,421.88 = 15,577,662.56 : x
  2. Step 2: Convert to fraction form
    27,178,166.66/37,507,421.88 = 15,577,662.56/x
  3. Step 3: Cross multiply
    27,178,166.66x = 37,507,421.88 × 15,577,662.56
  4. Step 4: Simplify right side
    27,178,166.66x = 584,277,961,354,663.75
  5. Step 5: Solve for x
    x = 584,277,961,354,663.75/27,178,166.66
  6. Step 6: Final answer
    x = 21,498,063.82

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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.