Home / 28,105,627.66-38,782,780.26-15,544,686.31

Finding the Fourth Proportional to 28,105,627.66, 38,782,780.26 and 15,544,686.31

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Solution

The fourth proportional to 28,105,627.66, 38,782,780.26 and 15,544,686.31 is: 21,450,015.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,105,627.66 : 38,782,780.26 = 15,544,686.31 : x
  2. Step 2: Convert to fraction form
    28,105,627.66/38,782,780.26 = 15,544,686.31/x
  3. Step 3: Cross multiply
    28,105,627.66x = 38,782,780.26 × 15,544,686.31
  4. Step 4: Simplify right side
    28,105,627.66x = 602,866,153,216,110.75
  5. Step 5: Solve for x
    x = 602,866,153,216,110.75/28,105,627.66
  6. Step 6: Final answer
    x = 21,450,015.65

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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.