Home / 12,068,998.80-18,103,498.20-4,494,980.40

Finding the Fourth Proportional to 12,068,998.80, 18,103,498.20 and 4,494,980.40

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Solution

The fourth proportional to 12,068,998.80, 18,103,498.20 and 4,494,980.40 is: 6,742,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068,998.80 : 18,103,498.20 = 4,494,980.40 : x
  2. Step 2: Convert to fraction form
    12,068,998.80/18,103,498.20 = 4,494,980.40/x
  3. Step 3: Cross multiply
    12,068,998.80x = 18,103,498.20 × 4,494,980.40
  4. Step 4: Simplify right side
    12,068,998.80x = 81,374,869,580,435.28
  5. Step 5: Solve for x
    x = 81,374,869,580,435.28/12,068,998.80
  6. Step 6: Final answer
    x = 6,742,470.60

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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.