Home / 13,047,186.40-19,570,779.60-8,512,223.20

Finding the Fourth Proportional to 13,047,186.40, 19,570,779.60 and 8,512,223.20

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Solution

The fourth proportional to 13,047,186.40, 19,570,779.60 and 8,512,223.20 is: 12,768,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047,186.40 : 19,570,779.60 = 8,512,223.20 : x
  2. Step 2: Convert to fraction form
    13,047,186.40/19,570,779.60 = 8,512,223.20/x
  3. Step 3: Cross multiply
    13,047,186.40x = 19,570,779.60 × 8,512,223.20
  4. Step 4: Simplify right side
    13,047,186.40x = 166,590,844,153,206.72
  5. Step 5: Solve for x
    x = 166,590,844,153,206.72/13,047,186.40
  6. Step 6: Final answer
    x = 12,768,334.80

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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.