Home / 7,185,889.63-9,916,762.41-3,922,878.34

Finding the Fourth Proportional to 7,185,889.63, 9,916,762.41 and 3,922,878.34

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Solution

The fourth proportional to 7,185,889.63, 9,916,762.41 and 3,922,878.34 is: 5,413,700.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185,889.63 : 9,916,762.41 = 3,922,878.34 : x
  2. Step 2: Convert to fraction form
    7,185,889.63/9,916,762.41 = 3,922,878.34/x
  3. Step 3: Cross multiply
    7,185,889.63x = 9,916,762.41 × 3,922,878.34
  4. Step 4: Simplify right side
    7,185,889.63x = 38,902,252,461,115.20
  5. Step 5: Solve for x
    x = 38,902,252,461,115.20/7,185,889.63
  6. Step 6: Final answer
    x = 5,413,700.25

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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.