Home / 30,496,289.40-45,702,443.70-20,231,969.40

Finding the Fourth Proportional to 30,496,289.40, 45,702,443.70 and 20,231,969.40

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Solution

The fourth proportional to 30,496,289.40, 45,702,443.70 and 20,231,969.40 is: 30,320,096.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,496,289.40 : 45,702,443.70 = 20,231,969.40 : x
  2. Step 2: Convert to fraction form
    30,496,289.40/45,702,443.70 = 20,231,969.40/x
  3. Step 3: Cross multiply
    30,496,289.40x = 45,702,443.70 × 20,231,969.40
  4. Step 4: Simplify right side
    30,496,289.40x = 924,650,442,443,622.75
  5. Step 5: Solve for x
    x = 924,650,442,443,622.75/30,496,289.40
  6. Step 6: Final answer
    x = 30,320,096.66

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1.5x scale

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.