Home / 28,560,063.81-39,411,782.64-15,507,023.97

Finding the Fourth Proportional to 28,560,063.81, 39,411,782.64 and 15,507,023.97

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Solution

The fourth proportional to 28,560,063.81, 39,411,782.64 and 15,507,023.97 is: 21,399,092.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,560,063.81 : 39,411,782.64 = 15,507,023.97 : x
  2. Step 2: Convert to fraction form
    28,560,063.81/39,411,782.64 = 15,507,023.97/x
  3. Step 3: Cross multiply
    28,560,063.81x = 39,411,782.64 × 15,507,023.97
  4. Step 4: Simplify right side
    28,560,063.81x = 611,159,458,098,909.88
  5. Step 5: Solve for x
    x = 611,159,458,098,909.88/28,560,063.81
  6. Step 6: Final answer
    x = 21,399,092.88

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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.