Home / 11,980,628.61-17,952,656.24-7,113,350.46

Finding the Fourth Proportional to 11,980,628.61, 17,952,656.24 and 7,113,350.46

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Solution

The fourth proportional to 11,980,628.61, 17,952,656.24 and 7,113,350.46 is: 10,659,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980,628.61 : 17,952,656.24 = 7,113,350.46 : x
  2. Step 2: Convert to fraction form
    11,980,628.61/17,952,656.24 = 7,113,350.46/x
  3. Step 3: Cross multiply
    11,980,628.61x = 17,952,656.24 × 7,113,350.46
  4. Step 4: Simplify right side
    11,980,628.61x = 127,703,535,487,459.11
  5. Step 5: Solve for x
    x = 127,703,535,487,459.11/11,980,628.61
  6. Step 6: Final answer
    x = 10,659,168.20

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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.