Home / 13,453,889.25-18,566,970.84-7,575,544.89

Finding the Fourth Proportional to 13,453,889.25, 18,566,970.84 and 7,575,544.89

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Solution

The fourth proportional to 13,453,889.25, 18,566,970.84 and 7,575,544.89 is: 10,454,591.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453,889.25 : 18,566,970.84 = 7,575,544.89 : x
  2. Step 2: Convert to fraction form
    13,453,889.25/18,566,970.84 = 7,575,544.89/x
  3. Step 3: Cross multiply
    13,453,889.25x = 18,566,970.84 × 7,575,544.89
  4. Step 4: Simplify right side
    13,453,889.25x = 140,654,921,069,741
  5. Step 5: Solve for x
    x = 140,654,921,069,741/13,453,889.25
  6. Step 6: Final answer
    x = 10,454,591.86

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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.