Home / 12,643,025.31-18,962,400.75-3,543,030.09

Finding the Fourth Proportional to 12,643,025.31, 18,962,400.75 and 3,543,030.09

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Solution

The fourth proportional to 12,643,025.31, 18,962,400.75 and 3,543,030.09 is: 5,313,946.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,025.31 : 18,962,400.75 = 3,543,030.09 : x
  2. Step 2: Convert to fraction form
    12,643,025.31/18,962,400.75 = 3,543,030.09/x
  3. Step 3: Cross multiply
    12,643,025.31x = 18,962,400.75 × 3,543,030.09
  4. Step 4: Simplify right side
    12,643,025.31x = 67,184,356,435,888.56
  5. Step 5: Solve for x
    x = 67,184,356,435,888.56/12,643,025.31
  6. Step 6: Final answer
    x = 5,313,946.21

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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.