Home / 13,053,630.40-19,541,738.40-9,702,692.80

Finding the Fourth Proportional to 13,053,630.40, 19,541,738.40 and 9,702,692.80

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Solution

The fourth proportional to 13,053,630.40, 19,541,738.40 and 9,702,692.80 is: 14,525,268.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053,630.40 : 19,541,738.40 = 9,702,692.80 : x
  2. Step 2: Convert to fraction form
    13,053,630.40/19,541,738.40 = 9,702,692.80/x
  3. Step 3: Cross multiply
    13,053,630.40x = 19,541,738.40 × 9,702,692.80
  4. Step 4: Simplify right side
    13,053,630.40x = 189,607,484,473,163.53
  5. Step 5: Solve for x
    x = 189,607,484,473,163.53/13,053,630.40
  6. Step 6: Final answer
    x = 14,525,268.35

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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.