Home / 12,419,582.40-18,629,373.60-11,861,569.35

Finding the Fourth Proportional to 12,419,582.40, 18,629,373.60 and 11,861,569.35

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Solution

The fourth proportional to 12,419,582.40, 18,629,373.60 and 11,861,569.35 is: 17,792,354.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,419,582.40 : 18,629,373.60 = 11,861,569.35 : x
  2. Step 2: Convert to fraction form
    12,419,582.40/18,629,373.60 = 11,861,569.35/x
  3. Step 3: Cross multiply
    12,419,582.40x = 18,629,373.60 × 11,861,569.35
  4. Step 4: Simplify right side
    12,419,582.40x = 220,973,606,903,459.16
  5. Step 5: Solve for x
    x = 220,973,606,903,459.16/12,419,582.40
  6. Step 6: Final answer
    x = 17,792,354.03

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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.