Home / 28,399,990.15-39,190,297.36-16,477,880.16

Finding the Fourth Proportional to 28,399,990.15, 39,190,297.36 and 16,477,880.16

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Solution

The fourth proportional to 28,399,990.15, 39,190,297.36 and 16,477,880.16 is: 22,738,494.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,399,990.15 : 39,190,297.36 = 16,477,880.16 : x
  2. Step 2: Convert to fraction form
    28,399,990.15/39,190,297.36 = 16,477,880.16/x
  3. Step 3: Cross multiply
    28,399,990.15x = 39,190,297.36 × 16,477,880.16
  4. Step 4: Simplify right side
    28,399,990.15x = 645,773,023,214,271.38
  5. Step 5: Solve for x
    x = 645,773,023,214,271.38/28,399,990.15
  6. Step 6: Final answer
    x = 22,738,494.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.