Home / 8,199,282.60-12,298,923.90-5,220,671.40

Finding the Fourth Proportional to 8,199,282.60, 12,298,923.90 and 5,220,671.40

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Solution

The fourth proportional to 8,199,282.60, 12,298,923.90 and 5,220,671.40 is: 7,831,007.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199,282.60 : 12,298,923.90 = 5,220,671.40 : x
  2. Step 2: Convert to fraction form
    8,199,282.60/12,298,923.90 = 5,220,671.40/x
  3. Step 3: Cross multiply
    8,199,282.60x = 12,298,923.90 × 5,220,671.40
  4. Step 4: Simplify right side
    8,199,282.60x = 64,208,640,255,506.47
  5. Step 5: Solve for x
    x = 64,208,640,255,506.47/8,199,282.60
  6. Step 6: Final answer
    x = 7,831,007.10

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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.