Home / 12,817,406.36-19,212,822.90-8,014,065.48

Finding the Fourth Proportional to 12,817,406.36, 19,212,822.90 and 8,014,065.48

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Solution

The fourth proportional to 12,817,406.36, 19,212,822.90 and 8,014,065.48 is: 12,012,790.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,817,406.36 : 19,212,822.90 = 8,014,065.48 : x
  2. Step 2: Convert to fraction form
    12,817,406.36/19,212,822.90 = 8,014,065.48/x
  3. Step 3: Cross multiply
    12,817,406.36x = 19,212,822.90 × 8,014,065.48
  4. Step 4: Simplify right side
    12,817,406.36x = 153,972,820,776,243.50
  5. Step 5: Solve for x
    x = 153,972,820,776,243.50/12,817,406.36
  6. Step 6: Final answer
    x = 12,012,790.77

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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.