Home / 12,048,750.40-18,087,122.40-7,261,844.80

Finding the Fourth Proportional to 12,048,750.40, 18,087,122.40 and 7,261,844.80

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Solution

The fourth proportional to 12,048,750.40, 18,087,122.40 and 7,261,844.80 is: 10,901,203.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048,750.40 : 18,087,122.40 = 7,261,844.80 : x
  2. Step 2: Convert to fraction form
    12,048,750.40/18,087,122.40 = 7,261,844.80/x
  3. Step 3: Cross multiply
    12,048,750.40x = 18,087,122.40 × 7,261,844.80
  4. Step 4: Simplify right side
    12,048,750.40x = 131,345,875,747,403.50
  5. Step 5: Solve for x
    x = 131,345,875,747,403.50/12,048,750.40
  6. Step 6: Final answer
    x = 10,901,203.14

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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.