Home / 12,773,961.69-19,153,853.37-4,249,644.81

Finding the Fourth Proportional to 12,773,961.69, 19,153,853.37 and 4,249,644.81

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Solution

The fourth proportional to 12,773,961.69, 19,153,853.37 and 4,249,644.81 is: 6,372,108.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,773,961.69 : 19,153,853.37 = 4,249,644.81 : x
  2. Step 2: Convert to fraction form
    12,773,961.69/19,153,853.37 = 4,249,644.81/x
  3. Step 3: Cross multiply
    12,773,961.69x = 19,153,853.37 × 4,249,644.81
  4. Step 4: Simplify right side
    12,773,961.69x = 81,397,073,565,321.50
  5. Step 5: Solve for x
    x = 81,397,073,565,321.50/12,773,961.69
  6. Step 6: Final answer
    x = 6,372,108.79

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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.