Home / 13,277,435.31-18,315,846.42-9,140,283.46

Finding the Fourth Proportional to 13,277,435.31, 18,315,846.42 and 9,140,283.46

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Solution

The fourth proportional to 13,277,435.31, 18,315,846.42 and 9,140,283.46 is: 12,608,762.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277,435.31 : 18,315,846.42 = 9,140,283.46 : x
  2. Step 2: Convert to fraction form
    13,277,435.31/18,315,846.42 = 9,140,283.46/x
  3. Step 3: Cross multiply
    13,277,435.31x = 18,315,846.42 × 9,140,283.46
  4. Step 4: Simplify right side
    13,277,435.31x = 167,412,028,088,626.25
  5. Step 5: Solve for x
    x = 167,412,028,088,626.25/13,277,435.31
  6. Step 6: Final answer
    x = 12,608,762.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.