Home / 8,393,431.60-12,590,147.40-7,448,647.60

Finding the Fourth Proportional to 8,393,431.60, 12,590,147.40 and 7,448,647.60

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Solution

The fourth proportional to 8,393,431.60, 12,590,147.40 and 7,448,647.60 is: 11,172,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393,431.60 : 12,590,147.40 = 7,448,647.60 : x
  2. Step 2: Convert to fraction form
    8,393,431.60/12,590,147.40 = 7,448,647.60/x
  3. Step 3: Cross multiply
    8,393,431.60x = 12,590,147.40 × 7,448,647.60
  4. Step 4: Simplify right side
    8,393,431.60x = 93,779,571,214,656.23
  5. Step 5: Solve for x
    x = 93,779,571,214,656.23/8,393,431.60
  6. Step 6: Final answer
    x = 11,172,971.40

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Double scale
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Similar ratio
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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.