Home / 12,108,130.90-18,162,263.22-3,010,228.48

Finding the Fourth Proportional to 12,108,130.90, 18,162,263.22 and 3,010,228.48

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Solution

The fourth proportional to 12,108,130.90, 18,162,263.22 and 3,010,228.48 is: 4,515,359.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108,130.90 : 18,162,263.22 = 3,010,228.48 : x
  2. Step 2: Convert to fraction form
    12,108,130.90/18,162,263.22 = 3,010,228.48/x
  3. Step 3: Cross multiply
    12,108,130.90x = 18,162,263.22 × 3,010,228.48
  4. Step 4: Simplify right side
    12,108,130.90x = 54,672,562,006,100.50
  5. Step 5: Solve for x
    x = 54,672,562,006,100.50/12,108,130.90
  6. Step 6: Final answer
    x = 4,515,359.34

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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.