Home / 7,898,659.80-11,847,989.70-7,282,800.60

Finding the Fourth Proportional to 7,898,659.80, 11,847,989.70 and 7,282,800.60

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Solution

The fourth proportional to 7,898,659.80, 11,847,989.70 and 7,282,800.60 is: 10,924,200.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898,659.80 : 11,847,989.70 = 7,282,800.60 : x
  2. Step 2: Convert to fraction form
    7,898,659.80/11,847,989.70 = 7,282,800.60/x
  3. Step 3: Cross multiply
    7,898,659.80x = 11,847,989.70 × 7,282,800.60
  4. Step 4: Simplify right side
    7,898,659.80x = 86,286,546,495,953.81
  5. Step 5: Solve for x
    x = 86,286,546,495,953.81/7,898,659.80
  6. Step 6: Final answer
    x = 10,924,200.90

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1.5x scale

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.