Home / 12,452,486.70-17,182,227.15-7,019,978.70

Finding the Fourth Proportional to 12,452,486.70, 17,182,227.15 and 7,019,978.70

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Solution

The fourth proportional to 12,452,486.70, 17,182,227.15 and 7,019,978.70 is: 9,686,327.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452,486.70 : 17,182,227.15 = 7,019,978.70 : x
  2. Step 2: Convert to fraction form
    12,452,486.70/17,182,227.15 = 7,019,978.70/x
  3. Step 3: Cross multiply
    12,452,486.70x = 17,182,227.15 × 7,019,978.70
  4. Step 4: Simplify right side
    12,452,486.70x = 120,618,868,611,561.70
  5. Step 5: Solve for x
    x = 120,618,868,611,561.70/12,452,486.70
  6. Step 6: Final answer
    x = 9,686,327.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.