Home / 28,170,722.36-42,271,783.86-15,216,611.96

Finding the Fourth Proportional to 28,170,722.36, 42,271,783.86 and 15,216,611.96

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Solution

The fourth proportional to 28,170,722.36, 42,271,783.86 and 15,216,611.96 is: 22,833,398.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,170,722.36 : 42,271,783.86 = 15,216,611.96 : x
  2. Step 2: Convert to fraction form
    28,170,722.36/42,271,783.86 = 15,216,611.96/x
  3. Step 3: Cross multiply
    28,170,722.36x = 42,271,783.86 × 15,216,611.96
  4. Step 4: Simplify right side
    28,170,722.36x = 643,233,331,854,611
  5. Step 5: Solve for x
    x = 643,233,331,854,611/28,170,722.36
  6. Step 6: Final answer
    x = 22,833,398.58

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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.