Home / 12,087,087.24-18,130,630.86-3,997,889.40

Finding the Fourth Proportional to 12,087,087.24, 18,130,630.86 and 3,997,889.40

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Solution

The fourth proportional to 12,087,087.24, 18,130,630.86 and 3,997,889.40 is: 5,996,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,087,087.24 : 18,130,630.86 = 3,997,889.40 : x
  2. Step 2: Convert to fraction form
    12,087,087.24/18,130,630.86 = 3,997,889.40/x
  3. Step 3: Cross multiply
    12,087,087.24x = 18,130,630.86 × 3,997,889.40
  4. Step 4: Simplify right side
    12,087,087.24x = 72,484,256,930,506.88
  5. Step 5: Solve for x
    x = 72,484,256,930,506.88/12,087,087.24
  6. Step 6: Final answer
    x = 5,996,834.10

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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.