Home / 20,590,410.90-30,853,685.03-11,933,038.46

Finding the Fourth Proportional to 20,590,410.90, 30,853,685.03 and 11,933,038.46

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Solution

The fourth proportional to 20,590,410.90, 30,853,685.03 and 11,933,038.46 is: 17,881,052.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,590,410.90 : 30,853,685.03 = 11,933,038.46 : x
  2. Step 2: Convert to fraction form
    20,590,410.90/30,853,685.03 = 11,933,038.46/x
  3. Step 3: Cross multiply
    20,590,410.90x = 30,853,685.03 × 11,933,038.46
  4. Step 4: Simplify right side
    20,590,410.90x = 368,178,209,881,782.62
  5. Step 5: Solve for x
    x = 368,178,209,881,782.62/20,590,410.90
  6. Step 6: Final answer
    x = 17,881,052.09

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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.