Home / 12,069,186.80-18,124,775.40-6,400,482.80

Finding the Fourth Proportional to 12,069,186.80, 18,124,775.40 and 6,400,482.80

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Solution

The fourth proportional to 12,069,186.80, 18,124,775.40 and 6,400,482.80 is: 9,611,858.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069,186.80 : 18,124,775.40 = 6,400,482.80 : x
  2. Step 2: Convert to fraction form
    12,069,186.80/18,124,775.40 = 6,400,482.80/x
  3. Step 3: Cross multiply
    12,069,186.80x = 18,124,775.40 × 6,400,482.80
  4. Step 4: Simplify right side
    12,069,186.80x = 116,007,313,201,563.11
  5. Step 5: Solve for x
    x = 116,007,313,201,563.11/12,069,186.80
  6. Step 6: Final answer
    x = 9,611,858.29

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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.