Home / 8,334,657.60-12,501,986.40-6,990,964.80

Finding the Fourth Proportional to 8,334,657.60, 12,501,986.40 and 6,990,964.80

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Solution

The fourth proportional to 8,334,657.60, 12,501,986.40 and 6,990,964.80 is: 10,486,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,334,657.60 : 12,501,986.40 = 6,990,964.80 : x
  2. Step 2: Convert to fraction form
    8,334,657.60/12,501,986.40 = 6,990,964.80/x
  3. Step 3: Cross multiply
    8,334,657.60x = 12,501,986.40 × 6,990,964.80
  4. Step 4: Simplify right side
    8,334,657.60x = 87,400,946,852,478.72
  5. Step 5: Solve for x
    x = 87,400,946,852,478.72/8,334,657.60
  6. Step 6: Final answer
    x = 10,486,447.20

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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.