Home / 10,655,725.20-15,973,090.20-5,265,207.60

Finding the Fourth Proportional to 10,655,725.20, 15,973,090.20 and 5,265,207.60

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Solution

The fourth proportional to 10,655,725.20, 15,973,090.20 and 5,265,207.60 is: 7,892,624.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655,725.20 : 15,973,090.20 = 5,265,207.60 : x
  2. Step 2: Convert to fraction form
    10,655,725.20/15,973,090.20 = 5,265,207.60/x
  3. Step 3: Cross multiply
    10,655,725.20x = 15,973,090.20 × 5,265,207.60
  4. Step 4: Simplify right side
    10,655,725.20x = 84,101,635,916,525.52
  5. Step 5: Solve for x
    x = 84,101,635,916,525.52/10,655,725.20
  6. Step 6: Final answer
    x = 7,892,624.33

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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.