Home / 7,261,728.80-10,916,212.80-5,146,462.40

Finding the Fourth Proportional to 7,261,728.80, 10,916,212.80 and 5,146,462.40

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Solution

The fourth proportional to 7,261,728.80, 10,916,212.80 and 5,146,462.40 is: 7,736,433.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,728.80 : 10,916,212.80 = 5,146,462.40 : x
  2. Step 2: Convert to fraction form
    7,261,728.80/10,916,212.80 = 5,146,462.40/x
  3. Step 3: Cross multiply
    7,261,728.80x = 10,916,212.80 × 5,146,462.40
  4. Step 4: Simplify right side
    7,261,728.80x = 56,179,878,725,598.73
  5. Step 5: Solve for x
    x = 56,179,878,725,598.73/7,261,728.80
  6. Step 6: Final answer
    x = 7,736,433.06

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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.