Home / 8,143,315.60-12,214,973.40-2,159,683.60

Finding the Fourth Proportional to 8,143,315.60, 12,214,973.40 and 2,159,683.60

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Solution

The fourth proportional to 8,143,315.60, 12,214,973.40 and 2,159,683.60 is: 3,239,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,315.60 : 12,214,973.40 = 2,159,683.60 : x
  2. Step 2: Convert to fraction form
    8,143,315.60/12,214,973.40 = 2,159,683.60/x
  3. Step 3: Cross multiply
    8,143,315.60x = 12,214,973.40 × 2,159,683.60
  4. Step 4: Simplify right side
    8,143,315.60x = 26,380,477,726,416.24
  5. Step 5: Solve for x
    x = 26,380,477,726,416.24/8,143,315.60
  6. Step 6: Final answer
    x = 3,239,525.40

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Double scale
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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.