Home / 5,525,728.40-7,570,275.49-5,318,630.10

Finding the Fourth Proportional to 5,525,728.40, 7,570,275.49 and 5,318,630.10

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Solution

The fourth proportional to 5,525,728.40, 7,570,275.49 and 5,318,630.10 is: 7,286,549.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,525,728.40 : 7,570,275.49 = 5,318,630.10 : x
  2. Step 2: Convert to fraction form
    5,525,728.40/7,570,275.49 = 5,318,630.10/x
  3. Step 3: Cross multiply
    5,525,728.40x = 7,570,275.49 × 5,318,630.10
  4. Step 4: Simplify right side
    5,525,728.40x = 40,263,495,093,054.53
  5. Step 5: Solve for x
    x = 40,263,495,093,054.53/5,525,728.40
  6. Step 6: Final answer
    x = 7,286,549.78

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.