Home / 12,562,731.30-18,844,096.95-8,258,059.20

Finding the Fourth Proportional to 12,562,731.30, 18,844,096.95 and 8,258,059.20

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Solution

The fourth proportional to 12,562,731.30, 18,844,096.95 and 8,258,059.20 is: 12,387,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562,731.30 : 18,844,096.95 = 8,258,059.20 : x
  2. Step 2: Convert to fraction form
    12,562,731.30/18,844,096.95 = 8,258,059.20/x
  3. Step 3: Cross multiply
    12,562,731.30x = 18,844,096.95 × 8,258,059.20
  4. Step 4: Simplify right side
    12,562,731.30x = 155,615,668,183,639.44
  5. Step 5: Solve for x
    x = 155,615,668,183,639.44/12,562,731.30
  6. Step 6: Final answer
    x = 12,387,088.80

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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.