Home / 20,153,877.96-30,230,838.84-5,007,809.52

Finding the Fourth Proportional to 20,153,877.96, 30,230,838.84 and 5,007,809.52

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Solution

The fourth proportional to 20,153,877.96, 30,230,838.84 and 5,007,809.52 is: 7,511,719.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153,877.96 : 30,230,838.84 = 5,007,809.52 : x
  2. Step 2: Convert to fraction form
    20,153,877.96/30,230,838.84 = 5,007,809.52/x
  3. Step 3: Cross multiply
    20,153,877.96x = 30,230,838.84 × 5,007,809.52
  4. Step 4: Simplify right side
    20,153,877.96x = 151,390,282,540,537.75
  5. Step 5: Solve for x
    x = 151,390,282,540,537.75/20,153,877.96
  6. Step 6: Final answer
    x = 7,511,719.72

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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.