Home / 7,210,035.77-9,949,848.62-3,946,852.71

Finding the Fourth Proportional to 7,210,035.77, 9,949,848.62 and 3,946,852.71

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Solution

The fourth proportional to 7,210,035.77, 9,949,848.62 and 3,946,852.71 is: 5,446,656.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210,035.77 : 9,949,848.62 = 3,946,852.71 : x
  2. Step 2: Convert to fraction form
    7,210,035.77/9,949,848.62 = 3,946,852.71/x
  3. Step 3: Cross multiply
    7,210,035.77x = 9,949,848.62 × 3,946,852.71
  4. Step 4: Simplify right side
    7,210,035.77x = 39,270,586,970,202.50
  5. Step 5: Solve for x
    x = 39,270,586,970,202.50/7,210,035.77
  6. Step 6: Final answer
    x = 5,446,656.33

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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.