Home / 12,640,268.58-17,443,446.63-6,838,923.03

Finding the Fourth Proportional to 12,640,268.58, 17,443,446.63 and 6,838,923.03

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Solution

The fourth proportional to 12,640,268.58, 17,443,446.63 and 6,838,923.03 is: 9,437,646.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,640,268.58 : 17,443,446.63 = 6,838,923.03 : x
  2. Step 2: Convert to fraction form
    12,640,268.58/17,443,446.63 = 6,838,923.03/x
  3. Step 3: Cross multiply
    12,640,268.58x = 17,443,446.63 × 6,838,923.03
  4. Step 4: Simplify right side
    12,640,268.58x = 119,294,388,880,482.89
  5. Step 5: Solve for x
    x = 119,294,388,880,482.89/12,640,268.58
  6. Step 6: Final answer
    x = 9,437,646.69

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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.