Home / 19,181,692.20-28,725,299.10-9,072,503.40

Finding the Fourth Proportional to 19,181,692.20, 28,725,299.10 and 9,072,503.40

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Solution

The fourth proportional to 19,181,692.20, 28,725,299.10 and 9,072,503.40 is: 13,586,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,181,692.20 : 28,725,299.10 = 9,072,503.40 : x
  2. Step 2: Convert to fraction form
    19,181,692.20/28,725,299.10 = 9,072,503.40/x
  3. Step 3: Cross multiply
    19,181,692.20x = 28,725,299.10 × 9,072,503.40
  4. Step 4: Simplify right side
    19,181,692.20x = 260,610,373,750,766.97
  5. Step 5: Solve for x
    x = 260,610,373,750,766.97/19,181,692.20
  6. Step 6: Final answer
    x = 13,586,412.03

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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.