Home / 13,214,510.10-19,821,765.15-4,239,969.30

Finding the Fourth Proportional to 13,214,510.10, 19,821,765.15 and 4,239,969.30

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Solution

The fourth proportional to 13,214,510.10, 19,821,765.15 and 4,239,969.30 is: 6,359,953.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214,510.10 : 19,821,765.15 = 4,239,969.30 : x
  2. Step 2: Convert to fraction form
    13,214,510.10/19,821,765.15 = 4,239,969.30/x
  3. Step 3: Cross multiply
    13,214,510.10x = 19,821,765.15 × 4,239,969.30
  4. Step 4: Simplify right side
    13,214,510.10x = 84,043,675,707,809.89
  5. Step 5: Solve for x
    x = 84,043,675,707,809.89/13,214,510.10
  6. Step 6: Final answer
    x = 6,359,953.95

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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.