Home / 27,178,166.40-37,507,421.54-15,577,662.30

Finding the Fourth Proportional to 27,178,166.40, 37,507,421.54 and 15,577,662.30

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Solution

The fourth proportional to 27,178,166.40, 37,507,421.54 and 15,577,662.30 is: 21,498,063.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,178,166.40 : 37,507,421.54 = 15,577,662.30 : x
  2. Step 2: Convert to fraction form
    27,178,166.40/37,507,421.54 = 15,577,662.30/x
  3. Step 3: Cross multiply
    27,178,166.40x = 37,507,421.54 × 15,577,662.30
  4. Step 4: Simplify right side
    27,178,166.40x = 584,277,946,415,977.62
  5. Step 5: Solve for x
    x = 584,277,946,415,977.62/27,178,166.40
  6. Step 6: Final answer
    x = 21,498,063.48

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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.