Home / 6,985,503.80-10,478,255.70-1,867,923.80

Finding the Fourth Proportional to 6,985,503.80, 10,478,255.70 and 1,867,923.80

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Solution

The fourth proportional to 6,985,503.80, 10,478,255.70 and 1,867,923.80 is: 2,801,885.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985,503.80 : 10,478,255.70 = 1,867,923.80 : x
  2. Step 2: Convert to fraction form
    6,985,503.80/10,478,255.70 = 1,867,923.80/x
  3. Step 3: Cross multiply
    6,985,503.80x = 10,478,255.70 × 1,867,923.80
  4. Step 4: Simplify right side
    6,985,503.80x = 19,572,583,204,515.66
  5. Step 5: Solve for x
    x = 19,572,583,204,515.66/6,985,503.80
  6. Step 6: Final answer
    x = 2,801,885.70

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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.