Home / 8,346,099.60-12,507,339.60-7,330,456.80

Finding the Fourth Proportional to 8,346,099.60, 12,507,339.60 and 7,330,456.80

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Solution

The fourth proportional to 8,346,099.60, 12,507,339.60 and 7,330,456.80 is: 10,985,312.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346,099.60 : 12,507,339.60 = 7,330,456.80 : x
  2. Step 2: Convert to fraction form
    8,346,099.60/12,507,339.60 = 7,330,456.80/x
  3. Step 3: Cross multiply
    8,346,099.60x = 12,507,339.60 × 7,330,456.80
  4. Step 4: Simplify right side
    8,346,099.60x = 91,684,512,620,729.28
  5. Step 5: Solve for x
    x = 91,684,512,620,729.28/8,346,099.60
  6. Step 6: Final answer
    x = 10,985,312.54

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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.