Home / 8,448,045.60-12,690,730.80-8,130,784.80

Finding the Fourth Proportional to 8,448,045.60, 12,690,730.80 and 8,130,784.80

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Solution

The fourth proportional to 8,448,045.60, 12,690,730.80 and 8,130,784.80 is: 12,214,138.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448,045.60 : 12,690,730.80 = 8,130,784.80 : x
  2. Step 2: Convert to fraction form
    8,448,045.60/12,690,730.80 = 8,130,784.80/x
  3. Step 3: Cross multiply
    8,448,045.60x = 12,690,730.80 × 8,130,784.80
  4. Step 4: Simplify right side
    8,448,045.60x = 103,185,601,089,531.84
  5. Step 5: Solve for x
    x = 103,185,601,089,531.84/8,448,045.60
  6. Step 6: Final answer
    x = 12,214,138.75

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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.