Home / 7,089,178.40-10,641,640.80-3,900,532.40

Finding the Fourth Proportional to 7,089,178.40, 10,641,640.80 and 3,900,532.40

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Solution

The fourth proportional to 7,089,178.40, 10,641,640.80 and 3,900,532.40 is: 5,855,130.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089,178.40 : 10,641,640.80 = 3,900,532.40 : x
  2. Step 2: Convert to fraction form
    7,089,178.40/10,641,640.80 = 3,900,532.40/x
  3. Step 3: Cross multiply
    7,089,178.40x = 10,641,640.80 × 3,900,532.40
  4. Step 4: Simplify right side
    7,089,178.40x = 41,508,064,729,561.92
  5. Step 5: Solve for x
    x = 41,508,064,729,561.92/7,089,178.40
  6. Step 6: Final answer
    x = 5,855,130.51

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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.