Home / 19,122,621.60-28,683,932.40-15,343,485.60

Finding the Fourth Proportional to 19,122,621.60, 28,683,932.40 and 15,343,485.60

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Solution

The fourth proportional to 19,122,621.60, 28,683,932.40 and 15,343,485.60 is: 23,015,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122,621.60 : 28,683,932.40 = 15,343,485.60 : x
  2. Step 2: Convert to fraction form
    19,122,621.60/28,683,932.40 = 15,343,485.60/x
  3. Step 3: Cross multiply
    19,122,621.60x = 28,683,932.40 × 15,343,485.60
  4. Step 4: Simplify right side
    19,122,621.60x = 440,111,503,730,773.44
  5. Step 5: Solve for x
    x = 440,111,503,730,773.44/19,122,621.60
  6. Step 6: Final answer
    x = 23,015,228.40

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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.