Home / 20,303,941.88-30,463,888.08-8,936,421.32

Finding the Fourth Proportional to 20,303,941.88, 30,463,888.08 and 8,936,421.32

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Solution

The fourth proportional to 20,303,941.88, 30,463,888.08 and 8,936,421.32 is: 13,408,142.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,303,941.88 : 30,463,888.08 = 8,936,421.32 : x
  2. Step 2: Convert to fraction form
    20,303,941.88/30,463,888.08 = 8,936,421.32/x
  3. Step 3: Cross multiply
    20,303,941.88x = 30,463,888.08 × 8,936,421.32
  4. Step 4: Simplify right side
    20,303,941.88x = 272,238,138,928,205.84
  5. Step 5: Solve for x
    x = 272,238,138,928,205.84/20,303,941.88
  6. Step 6: Final answer
    x = 13,408,142.15

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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.