Home / 30,347,138.44-45,526,321.20-9,602,799.40

Finding the Fourth Proportional to 30,347,138.44, 45,526,321.20 and 9,602,799.40

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Solution

The fourth proportional to 30,347,138.44, 45,526,321.20 and 9,602,799.40 is: 14,405,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,347,138.44 : 45,526,321.20 = 9,602,799.40 : x
  2. Step 2: Convert to fraction form
    30,347,138.44/45,526,321.20 = 9,602,799.40/x
  3. Step 3: Cross multiply
    30,347,138.44x = 45,526,321.20 × 9,602,799.40
  4. Step 4: Simplify right side
    30,347,138.44x = 437,180,129,903,567.31
  5. Step 5: Solve for x
    x = 437,180,129,903,567.31/30,347,138.44
  6. Step 6: Final answer
    x = 14,405,975.40

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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.