Home / 7,237,557.20-10,856,335.80-1,918,773.20

Finding the Fourth Proportional to 7,237,557.20, 10,856,335.80 and 1,918,773.20

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Solution

The fourth proportional to 7,237,557.20, 10,856,335.80 and 1,918,773.20 is: 2,878,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237,557.20 : 10,856,335.80 = 1,918,773.20 : x
  2. Step 2: Convert to fraction form
    7,237,557.20/10,856,335.80 = 1,918,773.20/x
  3. Step 3: Cross multiply
    7,237,557.20x = 10,856,335.80 × 1,918,773.20
  4. Step 4: Simplify right side
    7,237,557.20x = 20,830,846,183,240.56
  5. Step 5: Solve for x
    x = 20,830,846,183,240.56/7,237,557.20
  6. Step 6: Final answer
    x = 2,878,159.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.