Home / 12,048,844.40-18,087,263.40-7,261,938.80

Finding the Fourth Proportional to 12,048,844.40, 18,087,263.40 and 7,261,938.80

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Solution

The fourth proportional to 12,048,844.40, 18,087,263.40 and 7,261,938.80 is: 10,901,344.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048,844.40 : 18,087,263.40 = 7,261,938.80 : x
  2. Step 2: Convert to fraction form
    12,048,844.40/18,087,263.40 = 7,261,938.80/x
  3. Step 3: Cross multiply
    12,048,844.40x = 18,087,263.40 × 7,261,938.80
  4. Step 4: Simplify right side
    12,048,844.40x = 131,348,599,870,279.91
  5. Step 5: Solve for x
    x = 131,348,599,870,279.91/12,048,844.40
  6. Step 6: Final answer
    x = 10,901,344.19

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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.