Home / 12,069,047.80-18,103,571.70-9,677,563.30

Finding the Fourth Proportional to 12,069,047.80, 18,103,571.70 and 9,677,563.30

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Solution

The fourth proportional to 12,069,047.80, 18,103,571.70 and 9,677,563.30 is: 14,516,344.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069,047.80 : 18,103,571.70 = 9,677,563.30 : x
  2. Step 2: Convert to fraction form
    12,069,047.80/18,103,571.70 = 9,677,563.30/x
  3. Step 3: Cross multiply
    12,069,047.80x = 18,103,571.70 × 9,677,563.30
  4. Step 4: Simplify right side
    12,069,047.80x = 175,198,461,082,838.62
  5. Step 5: Solve for x
    x = 175,198,461,082,838.62/12,069,047.80
  6. Step 6: Final answer
    x = 14,516,344.95

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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.