Home / 28,630,130.80-42,945,196.20-25,494,847.60

Finding the Fourth Proportional to 28,630,130.80, 42,945,196.20 and 25,494,847.60

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Solution

The fourth proportional to 28,630,130.80, 42,945,196.20 and 25,494,847.60 is: 38,242,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,630,130.80 : 42,945,196.20 = 25,494,847.60 : x
  2. Step 2: Convert to fraction form
    28,630,130.80/42,945,196.20 = 25,494,847.60/x
  3. Step 3: Cross multiply
    28,630,130.80x = 42,945,196.20 × 25,494,847.60
  4. Step 4: Simplify right side
    28,630,130.80x = 1,094,881,232,271,099.25
  5. Step 5: Solve for x
    x = 1,094,881,232,271,099.25/28,630,130.80
  6. Step 6: Final answer
    x = 38,242,271.40

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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.