Home / 13,277,435.81-18,315,847.11-9,140,283.96

Finding the Fourth Proportional to 13,277,435.81, 18,315,847.11 and 9,140,283.96

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Solution

The fourth proportional to 13,277,435.81, 18,315,847.11 and 9,140,283.96 is: 12,608,763.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277,435.81 : 18,315,847.11 = 9,140,283.96 : x
  2. Step 2: Convert to fraction form
    13,277,435.81/18,315,847.11 = 9,140,283.96/x
  3. Step 3: Cross multiply
    13,277,435.81x = 18,315,847.11 × 9,140,283.96
  4. Step 4: Simplify right side
    13,277,435.81x = 167,412,043,553,345.38
  5. Step 5: Solve for x
    x = 167,412,043,553,345.38/13,277,435.81
  6. Step 6: Final answer
    x = 12,608,763.17

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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.