Home / 28,525,400.48-39,364,821.52-15,472,626.72

Finding the Fourth Proportional to 28,525,400.48, 39,364,821.52 and 15,472,626.72

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Solution

The fourth proportional to 28,525,400.48, 39,364,821.52 and 15,472,626.72 is: 21,352,099.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,525,400.48 : 39,364,821.52 = 15,472,626.72 : x
  2. Step 2: Convert to fraction form
    28,525,400.48/39,364,821.52 = 15,472,626.72/x
  3. Step 3: Cross multiply
    28,525,400.48x = 39,364,821.52 × 15,472,626.72
  4. Step 4: Simplify right side
    28,525,400.48x = 609,077,189,278,383.12
  5. Step 5: Solve for x
    x = 609,077,189,278,383.12/28,525,400.48
  6. Step 6: Final answer
    x = 21,352,099.50

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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.