Home / 21,456,670.80-32,185,006.20-5,282,493.60

Finding the Fourth Proportional to 21,456,670.80, 32,185,006.20 and 5,282,493.60

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Solution

The fourth proportional to 21,456,670.80, 32,185,006.20 and 5,282,493.60 is: 7,923,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,456,670.80 : 32,185,006.20 = 5,282,493.60 : x
  2. Step 2: Convert to fraction form
    21,456,670.80/32,185,006.20 = 5,282,493.60/x
  3. Step 3: Cross multiply
    21,456,670.80x = 32,185,006.20 × 5,282,493.60
  4. Step 4: Simplify right side
    21,456,670.80x = 170,017,089,267,460.31
  5. Step 5: Solve for x
    x = 170,017,089,267,460.31/21,456,670.80
  6. Step 6: Final answer
    x = 7,923,740.40

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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.