Home / 8,748,003.20-13,122,004.80-5,555,420.60

Finding the Fourth Proportional to 8,748,003.20, 13,122,004.80 and 5,555,420.60

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Solution

The fourth proportional to 8,748,003.20, 13,122,004.80 and 5,555,420.60 is: 8,333,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,003.20 : 13,122,004.80 = 5,555,420.60 : x
  2. Step 2: Convert to fraction form
    8,748,003.20/13,122,004.80 = 5,555,420.60/x
  3. Step 3: Cross multiply
    8,748,003.20x = 13,122,004.80 × 5,555,420.60
  4. Step 4: Simplify right side
    8,748,003.20x = 72,898,255,779,218.88
  5. Step 5: Solve for x
    x = 72,898,255,779,218.88/8,748,003.20
  6. Step 6: Final answer
    x = 8,333,130.90

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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.