Home / 20,153,871.96-30,230,829.84-5,007,803.46

Finding the Fourth Proportional to 20,153,871.96, 30,230,829.84 and 5,007,803.46

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Solution

The fourth proportional to 20,153,871.96, 30,230,829.84 and 5,007,803.46 is: 7,511,710.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153,871.96 : 30,230,829.84 = 5,007,803.46 : x
  2. Step 2: Convert to fraction form
    20,153,871.96/30,230,829.84 = 5,007,803.46/x
  3. Step 3: Cross multiply
    20,153,871.96x = 30,230,829.84 × 5,007,803.46
  4. Step 4: Simplify right side
    20,153,871.96x = 151,390,054,271,423.25
  5. Step 5: Solve for x
    x = 151,390,054,271,423.25/20,153,871.96
  6. Step 6: Final answer
    x = 7,511,710.63

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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.