Home / 28,446,489.36-39,255,856.20-15,393,462.48

Finding the Fourth Proportional to 28,446,489.36, 39,255,856.20 and 15,393,462.48

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Solution

The fourth proportional to 28,446,489.36, 39,255,856.20 and 15,393,462.48 is: 21,242,816.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446,489.36 : 39,255,856.20 = 15,393,462.48 : x
  2. Step 2: Convert to fraction form
    28,446,489.36/39,255,856.20 = 15,393,462.48/x
  3. Step 3: Cross multiply
    28,446,489.36x = 39,255,856.20 × 15,393,462.48
  4. Step 4: Simplify right side
    28,446,489.36x = 604,283,549,534,975.50
  5. Step 5: Solve for x
    x = 604,283,549,534,975.50/28,446,489.36
  6. Step 6: Final answer
    x = 21,242,816.36

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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.