Home / 8,145,258.81-12,217,899.55-3,470,130.78

Finding the Fourth Proportional to 8,145,258.81, 12,217,899.55 and 3,470,130.78

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Solution

The fourth proportional to 8,145,258.81, 12,217,899.55 and 3,470,130.78 is: 5,205,201.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145,258.81 : 12,217,899.55 = 3,470,130.78 : x
  2. Step 2: Convert to fraction form
    8,145,258.81/12,217,899.55 = 3,470,130.78/x
  3. Step 3: Cross multiply
    8,145,258.81x = 12,217,899.55 × 3,470,130.78
  4. Step 4: Simplify right side
    8,145,258.81x = 42,397,709,295,403.15
  5. Step 5: Solve for x
    x = 42,397,709,295,403.15/8,145,258.81
  6. Step 6: Final answer
    x = 5,205,201.00

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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.