Home / 10,413,000.10-15,619,500.15-7,383,786.40

Finding the Fourth Proportional to 10,413,000.10, 15,619,500.15 and 7,383,786.40

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Solution

The fourth proportional to 10,413,000.10, 15,619,500.15 and 7,383,786.40 is: 11,075,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,413,000.10 : 15,619,500.15 = 7,383,786.40 : x
  2. Step 2: Convert to fraction form
    10,413,000.10/15,619,500.15 = 7,383,786.40/x
  3. Step 3: Cross multiply
    10,413,000.10x = 15,619,500.15 × 7,383,786.40
  4. Step 4: Simplify right side
    10,413,000.10x = 115,331,052,782,367.97
  5. Step 5: Solve for x
    x = 115,331,052,782,367.97/10,413,000.10
  6. Step 6: Final answer
    x = 11,075,679.60

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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.