Home / 7,243,829.60-10,865,744.40-4,692,912.80

Finding the Fourth Proportional to 7,243,829.60, 10,865,744.40 and 4,692,912.80

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Solution

The fourth proportional to 7,243,829.60, 10,865,744.40 and 4,692,912.80 is: 7,039,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,829.60 : 10,865,744.40 = 4,692,912.80 : x
  2. Step 2: Convert to fraction form
    7,243,829.60/10,865,744.40 = 4,692,912.80/x
  3. Step 3: Cross multiply
    7,243,829.60x = 10,865,744.40 × 4,692,912.80
  4. Step 4: Simplify right side
    7,243,829.60x = 50,991,990,976,288.32
  5. Step 5: Solve for x
    x = 50,991,990,976,288.32/7,243,829.60
  6. Step 6: Final answer
    x = 7,039,369.20

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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.