Home / 28,396,630.34-39,187,360.32-15,343,889.21

Finding the Fourth Proportional to 28,396,630.34, 39,187,360.32 and 15,343,889.21

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Solution

The fourth proportional to 28,396,630.34, 39,187,360.32 and 15,343,889.21 is: 21,174,572.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,396,630.34 : 39,187,360.32 = 15,343,889.21 : x
  2. Step 2: Convert to fraction form
    28,396,630.34/39,187,360.32 = 15,343,889.21/x
  3. Step 3: Cross multiply
    28,396,630.34x = 39,187,360.32 × 15,343,889.21
  4. Step 4: Simplify right side
    28,396,630.34x = 601,286,515,182,430.12
  5. Step 5: Solve for x
    x = 601,286,515,182,430.12/28,396,630.34
  6. Step 6: Final answer
    x = 21,174,572.76

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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.