Home / 6,618,245.60-9,916,870.80-4,371,759.20

Finding the Fourth Proportional to 6,618,245.60, 9,916,870.80 and 4,371,759.20

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Solution

The fourth proportional to 6,618,245.60, 9,916,870.80 and 4,371,759.20 is: 6,550,704.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618,245.60 : 9,916,870.80 = 4,371,759.20 : x
  2. Step 2: Convert to fraction form
    6,618,245.60/9,916,870.80 = 4,371,759.20/x
  3. Step 3: Cross multiply
    6,618,245.60x = 9,916,870.80 × 4,371,759.20
  4. Step 4: Simplify right side
    6,618,245.60x = 43,354,171,155,111.37
  5. Step 5: Solve for x
    x = 43,354,171,155,111.37/6,618,245.60
  6. Step 6: Final answer
    x = 6,550,704.49

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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.