Home / 7,185,888.63-9,916,761.03-3,922,877.34

Finding the Fourth Proportional to 7,185,888.63, 9,916,761.03 and 3,922,877.34

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Solution

The fourth proportional to 7,185,888.63, 9,916,761.03 and 3,922,877.34 is: 5,413,698.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185,888.63 : 9,916,761.03 = 3,922,877.34 : x
  2. Step 2: Convert to fraction form
    7,185,888.63/9,916,761.03 = 3,922,877.34/x
  3. Step 3: Cross multiply
    7,185,888.63x = 9,916,761.03 × 3,922,877.34
  4. Step 4: Simplify right side
    7,185,888.63x = 38,902,237,130,782.05
  5. Step 5: Solve for x
    x = 38,902,237,130,782.05/7,185,888.63
  6. Step 6: Final answer
    x = 5,413,698.87

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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.