Home / 13,103,692.40-19,655,538.60-11,969,951.60

Finding the Fourth Proportional to 13,103,692.40, 19,655,538.60 and 11,969,951.60

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Solution

The fourth proportional to 13,103,692.40, 19,655,538.60 and 11,969,951.60 is: 17,954,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103,692.40 : 19,655,538.60 = 11,969,951.60 : x
  2. Step 2: Convert to fraction form
    13,103,692.40/19,655,538.60 = 11,969,951.60/x
  3. Step 3: Cross multiply
    13,103,692.40x = 19,655,538.60 × 11,969,951.60
  4. Step 4: Simplify right side
    13,103,692.40x = 235,275,845,713,931.78
  5. Step 5: Solve for x
    x = 235,275,845,713,931.78/13,103,692.40
  6. Step 6: Final answer
    x = 17,954,927.40

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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.