Home / 9,721,639.80-14,584,533.30-2,990,734.20

Finding the Fourth Proportional to 9,721,639.80, 14,584,533.30 and 2,990,734.20

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Solution

The fourth proportional to 9,721,639.80, 14,584,533.30 and 2,990,734.20 is: 4,486,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721,639.80 : 14,584,533.30 = 2,990,734.20 : x
  2. Step 2: Convert to fraction form
    9,721,639.80/14,584,533.30 = 2,990,734.20/x
  3. Step 3: Cross multiply
    9,721,639.80x = 14,584,533.30 × 2,990,734.20
  4. Step 4: Simplify right side
    9,721,639.80x = 43,618,462,531,348.87
  5. Step 5: Solve for x
    x = 43,618,462,531,348.87/9,721,639.80
  6. Step 6: Final answer
    x = 4,486,739.22

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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.