Home / 8,180,300.80-12,256,454.40-5,184,985.60

Finding the Fourth Proportional to 8,180,300.80, 12,256,454.40 and 5,184,985.60

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Solution

The fourth proportional to 8,180,300.80, 12,256,454.40 and 5,184,985.60 is: 7,768,606.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180,300.80 : 12,256,454.40 = 5,184,985.60 : x
  2. Step 2: Convert to fraction form
    8,180,300.80/12,256,454.40 = 5,184,985.60/x
  3. Step 3: Cross multiply
    8,180,300.80x = 12,256,454.40 × 5,184,985.60
  4. Step 4: Simplify right side
    8,180,300.80x = 63,549,539,571,056.64
  5. Step 5: Solve for x
    x = 63,549,539,571,056.64/8,180,300.80
  6. Step 6: Final answer
    x = 7,768,606.70

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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.