Home / 13,205,801.70-19,808,702.55-9,095,991.30

Finding the Fourth Proportional to 13,205,801.70, 19,808,702.55 and 9,095,991.30

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Solution

The fourth proportional to 13,205,801.70, 19,808,702.55 and 9,095,991.30 is: 13,643,986.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,205,801.70 : 19,808,702.55 = 9,095,991.30 : x
  2. Step 2: Convert to fraction form
    13,205,801.70/19,808,702.55 = 9,095,991.30/x
  3. Step 3: Cross multiply
    13,205,801.70x = 19,808,702.55 × 9,095,991.30
  4. Step 4: Simplify right side
    13,205,801.70x = 180,179,786,059,087.84
  5. Step 5: Solve for x
    x = 180,179,786,059,087.84/13,205,801.70
  6. Step 6: Final answer
    x = 13,643,986.95

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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.