Home / 13,842,323.60-20,763,485.40-8,173,619.60

Finding the Fourth Proportional to 13,842,323.60, 20,763,485.40 and 8,173,619.60

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Solution

The fourth proportional to 13,842,323.60, 20,763,485.40 and 8,173,619.60 is: 12,260,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842,323.60 : 20,763,485.40 = 8,173,619.60 : x
  2. Step 2: Convert to fraction form
    13,842,323.60/20,763,485.40 = 8,173,619.60/x
  3. Step 3: Cross multiply
    13,842,323.60x = 20,763,485.40 × 8,173,619.60
  4. Step 4: Simplify right side
    13,842,323.60x = 169,712,831,229,753.81
  5. Step 5: Solve for x
    x = 169,712,831,229,753.81/13,842,323.60
  6. Step 6: Final answer
    x = 12,260,429.40

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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.