Home / 13,247,128.08-19,878,403.32-5,570,217.36

Finding the Fourth Proportional to 13,247,128.08, 19,878,403.32 and 5,570,217.36

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Solution

The fourth proportional to 13,247,128.08, 19,878,403.32 and 5,570,217.36 is: 8,358,568.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247,128.08 : 19,878,403.32 = 5,570,217.36 : x
  2. Step 2: Convert to fraction form
    13,247,128.08/19,878,403.32 = 5,570,217.36/x
  3. Step 3: Cross multiply
    13,247,128.08x = 19,878,403.32 × 5,570,217.36
  4. Step 4: Simplify right side
    13,247,128.08x = 110,727,027,262,145.64
  5. Step 5: Solve for x
    x = 110,727,027,262,145.64/13,247,128.08
  6. Step 6: Final answer
    x = 8,358,568.48

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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.