Home / 13,184,810.42-19,782,899.05-7,118,337.60

Finding the Fourth Proportional to 13,184,810.42, 19,782,899.05 and 7,118,337.60

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Solution

The fourth proportional to 13,184,810.42, 19,782,899.05 and 7,118,337.60 is: 10,680,574.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184,810.42 : 19,782,899.05 = 7,118,337.60 : x
  2. Step 2: Convert to fraction form
    13,184,810.42/19,782,899.05 = 7,118,337.60/x
  3. Step 3: Cross multiply
    13,184,810.42x = 19,782,899.05 × 7,118,337.60
  4. Step 4: Simplify right side
    13,184,810.42x = 140,821,354,045,704.78
  5. Step 5: Solve for x
    x = 140,821,354,045,704.78/13,184,810.42
  6. Step 6: Final answer
    x = 10,680,574.81

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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.