Home / 7,237,261.20-10,855,891.80-1,918,477.20

Finding the Fourth Proportional to 7,237,261.20, 10,855,891.80 and 1,918,477.20

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Solution

The fourth proportional to 7,237,261.20, 10,855,891.80 and 1,918,477.20 is: 2,877,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237,261.20 : 10,855,891.80 = 1,918,477.20 : x
  2. Step 2: Convert to fraction form
    7,237,261.20/10,855,891.80 = 1,918,477.20/x
  3. Step 3: Cross multiply
    7,237,261.20x = 10,855,891.80 × 1,918,477.20
  4. Step 4: Simplify right side
    7,237,261.20x = 20,826,780,903,966.96
  5. Step 5: Solve for x
    x = 20,826,780,903,966.96/7,237,261.20
  6. Step 6: Final answer
    x = 2,877,715.80

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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.