Home / 13,486,525.70-20,229,788.55-8,101,256.90

Finding the Fourth Proportional to 13,486,525.70, 20,229,788.55 and 8,101,256.90

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Solution

The fourth proportional to 13,486,525.70, 20,229,788.55 and 8,101,256.90 is: 12,151,885.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,525.70 : 20,229,788.55 = 8,101,256.90 : x
  2. Step 2: Convert to fraction form
    13,486,525.70/20,229,788.55 = 8,101,256.90/x
  3. Step 3: Cross multiply
    13,486,525.70x = 20,229,788.55 × 8,101,256.90
  4. Step 4: Simplify right side
    13,486,525.70x = 163,886,714,076,228.50
  5. Step 5: Solve for x
    x = 163,886,714,076,228.50/13,486,525.70
  6. Step 6: Final answer
    x = 12,151,885.35

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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.