Home / 8,072,072.40-12,087,113.40-5,216,725.20

Finding the Fourth Proportional to 8,072,072.40, 12,087,113.40 and 5,216,725.20

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Solution

The fourth proportional to 8,072,072.40, 12,087,113.40 and 5,216,725.20 is: 7,811,519.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072,072.40 : 12,087,113.40 = 5,216,725.20 : x
  2. Step 2: Convert to fraction form
    8,072,072.40/12,087,113.40 = 5,216,725.20/x
  3. Step 3: Cross multiply
    8,072,072.40x = 12,087,113.40 × 5,216,725.20
  4. Step 4: Simplify right side
    8,072,072.40x = 63,055,149,069,037.69
  5. Step 5: Solve for x
    x = 63,055,149,069,037.69/8,072,072.40
  6. Step 6: Final answer
    x = 7,811,519.27

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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.