Home / 13,331,403.60-19,997,105.40-12,281,643.60

Finding the Fourth Proportional to 13,331,403.60, 19,997,105.40 and 12,281,643.60

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Solution

The fourth proportional to 13,331,403.60, 19,997,105.40 and 12,281,643.60 is: 18,422,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331,403.60 : 19,997,105.40 = 12,281,643.60 : x
  2. Step 2: Convert to fraction form
    13,331,403.60/19,997,105.40 = 12,281,643.60/x
  3. Step 3: Cross multiply
    13,331,403.60x = 19,997,105.40 × 12,281,643.60
  4. Step 4: Simplify right side
    13,331,403.60x = 245,597,321,554,435.41
  5. Step 5: Solve for x
    x = 245,597,321,554,435.41/13,331,403.60
  6. Step 6: Final answer
    x = 18,422,465.40

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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.