Home / 13,380,796.32-19,970,075.08-12,089,397.92

Finding the Fourth Proportional to 13,380,796.32, 19,970,075.08 and 12,089,397.92

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Solution

The fourth proportional to 13,380,796.32, 19,970,075.08 and 12,089,397.92 is: 18,042,736.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380,796.32 : 19,970,075.08 = 12,089,397.92 : x
  2. Step 2: Convert to fraction form
    13,380,796.32/19,970,075.08 = 12,089,397.92/x
  3. Step 3: Cross multiply
    13,380,796.32x = 19,970,075.08 × 12,089,397.92
  4. Step 4: Simplify right side
    13,380,796.32x = 241,426,184,134,395.81
  5. Step 5: Solve for x
    x = 241,426,184,134,395.81/13,380,796.32
  6. Step 6: Final answer
    x = 18,042,736.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.