Home / 12,087,078.24-18,130,617.36-3,997,880.40

Finding the Fourth Proportional to 12,087,078.24, 18,130,617.36 and 3,997,880.40

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Solution

The fourth proportional to 12,087,078.24, 18,130,617.36 and 3,997,880.40 is: 5,996,820.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,087,078.24 : 18,130,617.36 = 3,997,880.40 : x
  2. Step 2: Convert to fraction form
    12,087,078.24/18,130,617.36 = 3,997,880.40/x
  3. Step 3: Cross multiply
    12,087,078.24x = 18,130,617.36 × 3,997,880.40
  4. Step 4: Simplify right side
    12,087,078.24x = 72,484,039,783,443.73
  5. Step 5: Solve for x
    x = 72,484,039,783,443.73/12,087,078.24
  6. Step 6: Final answer
    x = 5,996,820.60

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1.5x scale

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.