Home / 5,157,376.80-7,736,065.20-4,716,477.60

Finding the Fourth Proportional to 5,157,376.80, 7,736,065.20 and 4,716,477.60

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Solution

The fourth proportional to 5,157,376.80, 7,736,065.20 and 4,716,477.60 is: 7,074,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157,376.80 : 7,736,065.20 = 4,716,477.60 : x
  2. Step 2: Convert to fraction form
    5,157,376.80/7,736,065.20 = 4,716,477.60/x
  3. Step 3: Cross multiply
    5,157,376.80x = 7,736,065.20 × 4,716,477.60
  4. Step 4: Simplify right side
    5,157,376.80x = 36,486,978,227,939.52
  5. Step 5: Solve for x
    x = 36,486,978,227,939.52/5,157,376.80
  6. Step 6: Final answer
    x = 7,074,716.40

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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.