Home / 13,473,281.70-20,209,922.55-11,985,246.90

Finding the Fourth Proportional to 13,473,281.70, 20,209,922.55 and 11,985,246.90

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Solution

The fourth proportional to 13,473,281.70, 20,209,922.55 and 11,985,246.90 is: 17,977,870.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,473,281.70 : 20,209,922.55 = 11,985,246.90 : x
  2. Step 2: Convert to fraction form
    13,473,281.70/20,209,922.55 = 11,985,246.90/x
  3. Step 3: Cross multiply
    13,473,281.70x = 20,209,922.55 × 11,985,246.90
  4. Step 4: Simplify right side
    13,473,281.70x = 242,220,911,591,627.62
  5. Step 5: Solve for x
    x = 242,220,911,591,627.62/13,473,281.70
  6. Step 6: Final answer
    x = 17,977,870.35

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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.