Home / 12,206,298.63-18,312,638.86-7,083,804.26

Finding the Fourth Proportional to 12,206,298.63, 18,312,638.86 and 7,083,804.26

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Solution

The fourth proportional to 12,206,298.63, 18,312,638.86 and 7,083,804.26 is: 10,627,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206,298.63 : 18,312,638.86 = 7,083,804.26 : x
  2. Step 2: Convert to fraction form
    12,206,298.63/18,312,638.86 = 7,083,804.26/x
  3. Step 3: Cross multiply
    12,206,298.63x = 18,312,638.86 × 7,083,804.26
  4. Step 4: Simplify right side
    12,206,298.63x = 129,723,149,168,309.53
  5. Step 5: Solve for x
    x = 129,723,149,168,309.53/12,206,298.63
  6. Step 6: Final answer
    x = 10,627,558.21

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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.