Home / 20,109,455.54-30,140,563.62-9,303,931.40

Finding the Fourth Proportional to 20,109,455.54, 30,140,563.62 and 9,303,931.40

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Solution

The fourth proportional to 20,109,455.54, 30,140,563.62 and 9,303,931.40 is: 13,944,969.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,109,455.54 : 30,140,563.62 = 9,303,931.40 : x
  2. Step 2: Convert to fraction form
    20,109,455.54/30,140,563.62 = 9,303,931.40/x
  3. Step 3: Cross multiply
    20,109,455.54x = 30,140,563.62 × 9,303,931.40
  4. Step 4: Simplify right side
    20,109,455.54x = 280,425,736,277,815.69
  5. Step 5: Solve for x
    x = 280,425,736,277,815.69/20,109,455.54
  6. Step 6: Final answer
    x = 13,944,969.11

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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.