Home / 12,069,025.80-18,124,533.90-6,400,321.80

Finding the Fourth Proportional to 12,069,025.80, 18,124,533.90 and 6,400,321.80

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Solution

The fourth proportional to 12,069,025.80, 18,124,533.90 and 6,400,321.80 is: 9,611,616.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069,025.80 : 18,124,533.90 = 6,400,321.80 : x
  2. Step 2: Convert to fraction form
    12,069,025.80/18,124,533.90 = 6,400,321.80/x
  3. Step 3: Cross multiply
    12,069,025.80x = 18,124,533.90 × 6,400,321.80
  4. Step 4: Simplify right side
    12,069,025.80x = 116,002,849,435,009
  5. Step 5: Solve for x
    x = 116,002,849,435,009/12,069,025.80
  6. Step 6: Final answer
    x = 9,611,616.66

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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.