Home / 7,168,769.76-9,892,872.42-3,905,574.32

Finding the Fourth Proportional to 7,168,769.76, 9,892,872.42 and 3,905,574.32

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Solution

The fourth proportional to 7,168,769.76, 9,892,872.42 and 3,905,574.32 is: 5,389,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168,769.76 : 9,892,872.42 = 3,905,574.32 : x
  2. Step 2: Convert to fraction form
    7,168,769.76/9,892,872.42 = 3,905,574.32/x
  3. Step 3: Cross multiply
    7,168,769.76x = 9,892,872.42 × 3,905,574.32
  4. Step 4: Simplify right side
    7,168,769.76x = 38,637,348,474,588.25
  5. Step 5: Solve for x
    x = 38,637,348,474,588.25/7,168,769.76
  6. Step 6: Final answer
    x = 5,389,676.30

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