Home / 13,744,530.40-20,616,795.60-7,012,069.60

Finding the Fourth Proportional to 13,744,530.40, 20,616,795.60 and 7,012,069.60

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Solution

The fourth proportional to 13,744,530.40, 20,616,795.60 and 7,012,069.60 is: 10,518,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744,530.40 : 20,616,795.60 = 7,012,069.60 : x
  2. Step 2: Convert to fraction form
    13,744,530.40/20,616,795.60 = 7,012,069.60/x
  3. Step 3: Cross multiply
    13,744,530.40x = 20,616,795.60 × 7,012,069.60
  4. Step 4: Simplify right side
    13,744,530.40x = 144,566,405,676,173.75
  5. Step 5: Solve for x
    x = 144,566,405,676,173.75/13,744,530.40
  6. Step 6: Final answer
    x = 10,518,104.40

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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.