Home / 7,831,432.40-11,751,430.20-3,039,312.08

Finding the Fourth Proportional to 7,831,432.40, 11,751,430.20 and 3,039,312.08

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Solution

The fourth proportional to 7,831,432.40, 11,751,430.20 and 3,039,312.08 is: 4,560,629.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831,432.40 : 11,751,430.20 = 3,039,312.08 : x
  2. Step 2: Convert to fraction form
    7,831,432.40/11,751,430.20 = 3,039,312.08/x
  3. Step 3: Cross multiply
    7,831,432.40x = 11,751,430.20 × 3,039,312.08
  4. Step 4: Simplify right side
    7,831,432.40x = 35,716,263,764,136.81
  5. Step 5: Solve for x
    x = 35,716,263,764,136.81/7,831,432.40
  6. Step 6: Final answer
    x = 4,560,629.77

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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.