Home / 7,001,539.44-9,661,990.68-3,945,692.40

Finding the Fourth Proportional to 7,001,539.44, 9,661,990.68 and 3,945,692.40

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Solution

The fourth proportional to 7,001,539.44, 9,661,990.68 and 3,945,692.40 is: 5,444,980.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001,539.44 : 9,661,990.68 = 3,945,692.40 : x
  2. Step 2: Convert to fraction form
    7,001,539.44/9,661,990.68 = 3,945,692.40/x
  3. Step 3: Cross multiply
    7,001,539.44x = 9,661,990.68 × 3,945,692.40
  4. Step 4: Simplify right side
    7,001,539.44x = 38,123,243,194,946.83
  5. Step 5: Solve for x
    x = 38,123,243,194,946.83/7,001,539.44
  6. Step 6: Final answer
    x = 5,444,980.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.