Home / 12,682,010-19,019,019-4,160,360.72

Finding the Fourth Proportional to 12,682,010, 19,019,019 and 4,160,360.72

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Solution

The fourth proportional to 12,682,010, 19,019,019 and 4,160,360.72 is: 6,239,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682,010 : 19,019,019 = 4,160,360.72 : x
  2. Step 2: Convert to fraction form
    12,682,010/19,019,019 = 4,160,360.72/x
  3. Step 3: Cross multiply
    12,682,010x = 19,019,019 × 4,160,360.72
  4. Step 4: Simplify right side
    12,682,010x = 79,125,979,580,533.69
  5. Step 5: Solve for x
    x = 79,125,979,580,533.69/12,682,010
  6. Step 6: Final answer
    x = 6,239,230.18

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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.