Home / 7,261,871.45-10,020,985.83-3,998,066.45

Finding the Fourth Proportional to 7,261,871.45, 10,020,985.83 and 3,998,066.45

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Solution

The fourth proportional to 7,261,871.45, 10,020,985.83 and 3,998,066.45 is: 5,517,113.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,871.45 : 10,020,985.83 = 3,998,066.45 : x
  2. Step 2: Convert to fraction form
    7,261,871.45/10,020,985.83 = 3,998,066.45/x
  3. Step 3: Cross multiply
    7,261,871.45x = 10,020,985.83 × 3,998,066.45
  4. Step 4: Simplify right side
    7,261,871.45x = 40,064,567,192,743.48
  5. Step 5: Solve for x
    x = 40,064,567,192,743.48/7,261,871.45
  6. Step 6: Final answer
    x = 5,517,113.25

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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.