Home / 12,323,145.90-18,434,952.45-10,658,736.30

Finding the Fourth Proportional to 12,323,145.90, 18,434,952.45 and 10,658,736.30

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Solution

The fourth proportional to 12,323,145.90, 18,434,952.45 and 10,658,736.30 is: 15,945,059.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,323,145.90 : 18,434,952.45 = 10,658,736.30 : x
  2. Step 2: Convert to fraction form
    12,323,145.90/18,434,952.45 = 10,658,736.30/x
  3. Step 3: Cross multiply
    12,323,145.90x = 18,434,952.45 × 10,658,736.30
  4. Step 4: Simplify right side
    12,323,145.90x = 196,493,296,867,588.94
  5. Step 5: Solve for x
    x = 196,493,296,867,588.94/12,323,145.90
  6. Step 6: Final answer
    x = 15,945,059.68

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1.5x scale

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.