Home / 9,912,856-13,679,977.08-5,562,264.16

Finding the Fourth Proportional to 9,912,856, 13,679,977.08 and 5,562,264.16

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Solution

The fourth proportional to 9,912,856, 13,679,977.08 and 5,562,264.16 is: 7,676,056.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912,856 : 13,679,977.08 = 5,562,264.16 : x
  2. Step 2: Convert to fraction form
    9,912,856/13,679,977.08 = 5,562,264.16/x
  3. Step 3: Cross multiply
    9,912,856x = 13,679,977.08 × 5,562,264.16
  4. Step 4: Simplify right side
    9,912,856x = 76,091,646,221,705.45
  5. Step 5: Solve for x
    x = 76,091,646,221,705.45/9,912,856
  6. Step 6: Final answer
    x = 7,676,056.85

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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.