Home / 12,187,205.40-18,280,808.10-3,089,285.40

Finding the Fourth Proportional to 12,187,205.40, 18,280,808.10 and 3,089,285.40

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Solution

The fourth proportional to 12,187,205.40, 18,280,808.10 and 3,089,285.40 is: 4,633,928.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,187,205.40 : 18,280,808.10 = 3,089,285.40 : x
  2. Step 2: Convert to fraction form
    12,187,205.40/18,280,808.10 = 3,089,285.40/x
  3. Step 3: Cross multiply
    12,187,205.40x = 18,280,808.10 × 3,089,285.40
  4. Step 4: Simplify right side
    12,187,205.40x = 56,474,633,563,531.74
  5. Step 5: Solve for x
    x = 56,474,633,563,531.74/12,187,205.40
  6. Step 6: Final answer
    x = 4,633,928.10

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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.