Home / 12,097,228.20-18,145,842.30-12,013,247.40

Finding the Fourth Proportional to 12,097,228.20, 18,145,842.30 and 12,013,247.40

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Solution

The fourth proportional to 12,097,228.20, 18,145,842.30 and 12,013,247.40 is: 18,019,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,228.20 : 18,145,842.30 = 12,013,247.40 : x
  2. Step 2: Convert to fraction form
    12,097,228.20/18,145,842.30 = 12,013,247.40/x
  3. Step 3: Cross multiply
    12,097,228.20x = 18,145,842.30 × 12,013,247.40
  4. Step 4: Simplify right side
    12,097,228.20x = 217,990,492,831,285.03
  5. Step 5: Solve for x
    x = 217,990,492,831,285.03/12,097,228.20
  6. Step 6: Final answer
    x = 18,019,871.10

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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.