Home / 12,268,973.80-18,403,460.70-4,191,070.60

Finding the Fourth Proportional to 12,268,973.80, 18,403,460.70 and 4,191,070.60

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Solution

The fourth proportional to 12,268,973.80, 18,403,460.70 and 4,191,070.60 is: 6,286,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268,973.80 : 18,403,460.70 = 4,191,070.60 : x
  2. Step 2: Convert to fraction form
    12,268,973.80/18,403,460.70 = 4,191,070.60/x
  3. Step 3: Cross multiply
    12,268,973.80x = 18,403,460.70 × 4,191,070.60
  4. Step 4: Simplify right side
    12,268,973.80x = 77,130,203,078,025.42
  5. Step 5: Solve for x
    x = 77,130,203,078,025.42/12,268,973.80
  6. Step 6: Final answer
    x = 6,286,605.90

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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.