Home / 9,912,828-13,679,938.44-5,562,236.16

Finding the Fourth Proportional to 9,912,828, 13,679,938.44 and 5,562,236.16

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Solution

The fourth proportional to 9,912,828, 13,679,938.44 and 5,562,236.16 is: 7,676,018.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912,828 : 13,679,938.44 = 5,562,236.16 : x
  2. Step 2: Convert to fraction form
    9,912,828/13,679,938.44 = 5,562,236.16/x
  3. Step 3: Cross multiply
    9,912,828x = 13,679,938.44 × 5,562,236.16
  4. Step 4: Simplify right side
    9,912,828x = 76,091,048,257,541.98
  5. Step 5: Solve for x
    x = 76,091,048,257,541.98/9,912,828
  6. Step 6: Final answer
    x = 7,676,018.21

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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.