Home / 28,748,032.65-39,672,846.09-15,695,324.91

Finding the Fourth Proportional to 28,748,032.65, 39,672,846.09 and 15,695,324.91

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Solution

The fourth proportional to 28,748,032.65, 39,672,846.09 and 15,695,324.91 is: 21,659,854.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,748,032.65 : 39,672,846.09 = 15,695,324.91 : x
  2. Step 2: Convert to fraction form
    28,748,032.65/39,672,846.09 = 15,695,324.91/x
  3. Step 3: Cross multiply
    28,748,032.65x = 39,672,846.09 × 15,695,324.91
  4. Step 4: Simplify right side
    28,748,032.65x = 622,678,209,486,973.12
  5. Step 5: Solve for x
    x = 622,678,209,486,973.12/28,748,032.65
  6. Step 6: Final answer
    x = 21,659,854.68

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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.