Home / 19,944,647.40-29,931,716.70-7,985,965.80

Finding the Fourth Proportional to 19,944,647.40, 29,931,716.70 and 7,985,965.80

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Solution

The fourth proportional to 19,944,647.40, 29,931,716.70 and 7,985,965.80 is: 11,984,852.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,944,647.40 : 29,931,716.70 = 7,985,965.80 : x
  2. Step 2: Convert to fraction form
    19,944,647.40/29,931,716.70 = 7,985,965.80/x
  3. Step 3: Cross multiply
    19,944,647.40x = 29,931,716.70 × 7,985,965.80
  4. Step 4: Simplify right side
    19,944,647.40x = 239,033,665,901,488.84
  5. Step 5: Solve for x
    x = 239,033,665,901,488.84/19,944,647.40
  6. Step 6: Final answer
    x = 11,984,852.93

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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.