Home / 13,407,845.60-20,111,768.40-12,358,085.60

Finding the Fourth Proportional to 13,407,845.60, 20,111,768.40 and 12,358,085.60

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Solution

The fourth proportional to 13,407,845.60, 20,111,768.40 and 12,358,085.60 is: 18,537,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407,845.60 : 20,111,768.40 = 12,358,085.60 : x
  2. Step 2: Convert to fraction form
    13,407,845.60/20,111,768.40 = 12,358,085.60/x
  3. Step 3: Cross multiply
    13,407,845.60x = 20,111,768.40 × 12,358,085.60
  4. Step 4: Simplify right side
    13,407,845.60x = 248,542,955,454,575
  5. Step 5: Solve for x
    x = 248,542,955,454,575/13,407,845.60
  6. Step 6: Final answer
    x = 18,537,128.40

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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.