Home / 13,532,532.80-20,299,720.80-4,309,774.40

Finding the Fourth Proportional to 13,532,532.80, 20,299,720.80 and 4,309,774.40

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Solution

The fourth proportional to 13,532,532.80, 20,299,720.80 and 4,309,774.40 is: 6,464,955.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532,532.80 : 20,299,720.80 = 4,309,774.40 : x
  2. Step 2: Convert to fraction form
    13,532,532.80/20,299,720.80 = 4,309,774.40/x
  3. Step 3: Cross multiply
    13,532,532.80x = 20,299,720.80 × 4,309,774.40
  4. Step 4: Simplify right side
    13,532,532.80x = 87,487,217,030,987.53
  5. Step 5: Solve for x
    x = 87,487,217,030,987.53/13,532,532.80
  6. Step 6: Final answer
    x = 6,464,955.11

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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.