Home / 12,866,868.51-19,300,923.50-4,230,777.75

Finding the Fourth Proportional to 12,866,868.51, 19,300,923.50 and 4,230,777.75

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Solution

The fourth proportional to 12,866,868.51, 19,300,923.50 and 4,230,777.75 is: 6,346,370.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866,868.51 : 19,300,923.50 = 4,230,777.75 : x
  2. Step 2: Convert to fraction form
    12,866,868.51/19,300,923.50 = 4,230,777.75/x
  3. Step 3: Cross multiply
    12,866,868.51x = 19,300,923.50 × 4,230,777.75
  4. Step 4: Simplify right side
    12,866,868.51x = 81,657,917,698,252.12
  5. Step 5: Solve for x
    x = 81,657,917,698,252.12/12,866,868.51
  6. Step 6: Final answer
    x = 6,346,370.73

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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.