Home / 10,698,220.80-16,047,331.20-3,965,241.60

Finding the Fourth Proportional to 10,698,220.80, 16,047,331.20 and 3,965,241.60

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Solution

The fourth proportional to 10,698,220.80, 16,047,331.20 and 3,965,241.60 is: 5,947,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,698,220.80 : 16,047,331.20 = 3,965,241.60 : x
  2. Step 2: Convert to fraction form
    10,698,220.80/16,047,331.20 = 3,965,241.60/x
  3. Step 3: Cross multiply
    10,698,220.80x = 16,047,331.20 × 3,965,241.60
  4. Step 4: Simplify right side
    10,698,220.80x = 63,631,545,243,217.92
  5. Step 5: Solve for x
    x = 63,631,545,243,217.92/10,698,220.80
  6. Step 6: Final answer
    x = 5,947,862.40

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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.