Home / 17,938,606.80-26,916,308.40-7,839,915.60

Finding the Fourth Proportional to 17,938,606.80, 26,916,308.40 and 7,839,915.60

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Solution

The fourth proportional to 17,938,606.80, 26,916,308.40 and 7,839,915.60 is: 11,763,543.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938,606.80 : 26,916,308.40 = 7,839,915.60 : x
  2. Step 2: Convert to fraction form
    17,938,606.80/26,916,308.40 = 7,839,915.60/x
  3. Step 3: Cross multiply
    17,938,606.80x = 26,916,308.40 × 7,839,915.60
  4. Step 4: Simplify right side
    17,938,606.80x = 211,021,586,119,571.03
  5. Step 5: Solve for x
    x = 211,021,586,119,571.03/17,938,606.80
  6. Step 6: Final answer
    x = 11,763,543.76

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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.