Home / 7,341,611.40-11,012,417.10-5,315,574.60

Finding the Fourth Proportional to 7,341,611.40, 11,012,417.10 and 5,315,574.60

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Solution

The fourth proportional to 7,341,611.40, 11,012,417.10 and 5,315,574.60 is: 7,973,361.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341,611.40 : 11,012,417.10 = 5,315,574.60 : x
  2. Step 2: Convert to fraction form
    7,341,611.40/11,012,417.10 = 5,315,574.60/x
  3. Step 3: Cross multiply
    7,341,611.40x = 11,012,417.10 × 5,315,574.60
  4. Step 4: Simplify right side
    7,341,611.40x = 58,537,324,621,365.66
  5. Step 5: Solve for x
    x = 58,537,324,621,365.66/7,341,611.40
  6. Step 6: Final answer
    x = 7,973,361.90

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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.