Home / 20,158,576.40-30,237,864.60-14,489,872.40

Finding the Fourth Proportional to 20,158,576.40, 30,237,864.60 and 14,489,872.40

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Solution

The fourth proportional to 20,158,576.40, 30,237,864.60 and 14,489,872.40 is: 21,734,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158,576.40 : 30,237,864.60 = 14,489,872.40 : x
  2. Step 2: Convert to fraction form
    20,158,576.40/30,237,864.60 = 14,489,872.40/x
  3. Step 3: Cross multiply
    20,158,576.40x = 30,237,864.60 × 14,489,872.40
  4. Step 4: Simplify right side
    20,158,576.40x = 438,142,799,702,477.06
  5. Step 5: Solve for x
    x = 438,142,799,702,477.06/20,158,576.40
  6. Step 6: Final answer
    x = 21,734,808.60

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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.