Home / 9,138,033.81-13,702,487.04-2,989,212.89

Finding the Fourth Proportional to 9,138,033.81, 13,702,487.04 and 2,989,212.89

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Solution

The fourth proportional to 9,138,033.81, 13,702,487.04 and 2,989,212.89 is: 4,482,326.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138,033.81 : 13,702,487.04 = 2,989,212.89 : x
  2. Step 2: Convert to fraction form
    9,138,033.81/13,702,487.04 = 2,989,212.89/x
  3. Step 3: Cross multiply
    9,138,033.81x = 13,702,487.04 × 2,989,212.89
  4. Step 4: Simplify right side
    9,138,033.81x = 40,959,650,816,513.51
  5. Step 5: Solve for x
    x = 40,959,650,816,513.51/9,138,033.81
  6. Step 6: Final answer
    x = 4,482,326.47

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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.