Home / 12,912,109.60-19,366,090.80-3,934,573.60

Finding the Fourth Proportional to 12,912,109.60, 19,366,090.80 and 3,934,573.60

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Solution

The fourth proportional to 12,912,109.60, 19,366,090.80 and 3,934,573.60 is: 5,901,228.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,912,109.60 : 19,366,090.80 = 3,934,573.60 : x
  2. Step 2: Convert to fraction form
    12,912,109.60/19,366,090.80 = 3,934,573.60/x
  3. Step 3: Cross multiply
    12,912,109.60x = 19,366,090.80 × 3,934,573.60
  4. Step 4: Simplify right side
    12,912,109.60x = 76,197,309,596,882.89
  5. Step 5: Solve for x
    x = 76,197,309,596,882.89/12,912,109.60
  6. Step 6: Final answer
    x = 5,901,228.53

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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.