Home / 14,586,379.92-20,142,115.56-9,089,136.72

Finding the Fourth Proportional to 14,586,379.92, 20,142,115.56 and 9,089,136.72

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Solution

The fourth proportional to 14,586,379.92, 20,142,115.56 and 9,089,136.72 is: 12,551,054.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,586,379.92 : 20,142,115.56 = 9,089,136.72 : x
  2. Step 2: Convert to fraction form
    14,586,379.92/20,142,115.56 = 9,089,136.72/x
  3. Step 3: Cross multiply
    14,586,379.92x = 20,142,115.56 × 9,089,136.72
  4. Step 4: Simplify right side
    14,586,379.92x = 183,074,442,154,879.38
  5. Step 5: Solve for x
    x = 183,074,442,154,879.38/14,586,379.92
  6. Step 6: Final answer
    x = 12,551,054.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.