Home / 7,055,998.40-10,570,000.80-4,207,649.60

Finding the Fourth Proportional to 7,055,998.40, 10,570,000.80 and 4,207,649.60

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Solution

The fourth proportional to 7,055,998.40, 10,570,000.80 and 4,207,649.60 is: 6,303,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055,998.40 : 10,570,000.80 = 4,207,649.60 : x
  2. Step 2: Convert to fraction form
    7,055,998.40/10,570,000.80 = 4,207,649.60/x
  3. Step 3: Cross multiply
    7,055,998.40x = 10,570,000.80 × 4,207,649.60
  4. Step 4: Simplify right side
    7,055,998.40x = 44,474,859,638,119.68
  5. Step 5: Solve for x
    x = 44,474,859,638,119.68/7,055,998.40
  6. Step 6: Final answer
    x = 6,303,127.80

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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.