Home / 13,002,386.10-19,466,254.35-12,629,138.10

Finding the Fourth Proportional to 13,002,386.10, 19,466,254.35 and 12,629,138.10

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Solution

The fourth proportional to 13,002,386.10, 19,466,254.35 and 12,629,138.10 is: 18,907,453.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,002,386.10 : 19,466,254.35 = 12,629,138.10 : x
  2. Step 2: Convert to fraction form
    13,002,386.10/19,466,254.35 = 12,629,138.10/x
  3. Step 3: Cross multiply
    13,002,386.10x = 19,466,254.35 × 12,629,138.10
  4. Step 4: Simplify right side
    13,002,386.10x = 245,842,014,475,875.75
  5. Step 5: Solve for x
    x = 245,842,014,475,875.75/13,002,386.10
  6. Step 6: Final answer
    x = 18,907,453.80

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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.