Home / 12,089,852.70-18,134,779.05-3,114,404.70

Finding the Fourth Proportional to 12,089,852.70, 18,134,779.05 and 3,114,404.70

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Solution

The fourth proportional to 12,089,852.70, 18,134,779.05 and 3,114,404.70 is: 4,671,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,852.70 : 18,134,779.05 = 3,114,404.70 : x
  2. Step 2: Convert to fraction form
    12,089,852.70/18,134,779.05 = 3,114,404.70/x
  3. Step 3: Cross multiply
    12,089,852.70x = 18,134,779.05 × 3,114,404.70
  4. Step 4: Simplify right side
    12,089,852.70x = 56,479,041,106,781.54
  5. Step 5: Solve for x
    x = 56,479,041,106,781.54/12,089,852.70
  6. Step 6: Final answer
    x = 4,671,607.05

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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.