Home / 6,921,800.64-10,362,254.40-5,112,671.04

Finding the Fourth Proportional to 6,921,800.64, 10,362,254.40 and 5,112,671.04

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Solution

The fourth proportional to 6,921,800.64, 10,362,254.40 and 5,112,671.04 is: 7,653,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921,800.64 : 10,362,254.40 = 5,112,671.04 : x
  2. Step 2: Convert to fraction form
    6,921,800.64/10,362,254.40 = 5,112,671.04/x
  3. Step 3: Cross multiply
    6,921,800.64x = 10,362,254.40 × 5,112,671.04
  4. Step 4: Simplify right side
    6,921,800.64x = 52,978,797,979,992.58
  5. Step 5: Solve for x
    x = 52,978,797,979,992.58/6,921,800.64
  6. Step 6: Final answer
    x = 7,653,904.05

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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.