Home / 13,479,794.90-20,219,692.35-9,653,419.70

Finding the Fourth Proportional to 13,479,794.90, 20,219,692.35 and 9,653,419.70

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Solution

The fourth proportional to 13,479,794.90, 20,219,692.35 and 9,653,419.70 is: 14,480,129.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479,794.90 : 20,219,692.35 = 9,653,419.70 : x
  2. Step 2: Convert to fraction form
    13,479,794.90/20,219,692.35 = 9,653,419.70/x
  3. Step 3: Cross multiply
    13,479,794.90x = 20,219,692.35 × 9,653,419.70
  4. Step 4: Simplify right side
    13,479,794.90x = 195,189,176,459,429.28
  5. Step 5: Solve for x
    x = 195,189,176,459,429.28/13,479,794.90
  6. Step 6: Final answer
    x = 14,480,129.55

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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.