Home / 5,909,793.40-8,864,690.10-5,130,346.60

Finding the Fourth Proportional to 5,909,793.40, 8,864,690.10 and 5,130,346.60

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Solution

The fourth proportional to 5,909,793.40, 8,864,690.10 and 5,130,346.60 is: 7,695,519.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909,793.40 : 8,864,690.10 = 5,130,346.60 : x
  2. Step 2: Convert to fraction form
    5,909,793.40/8,864,690.10 = 5,130,346.60/x
  3. Step 3: Cross multiply
    5,909,793.40x = 8,864,690.10 × 5,130,346.60
  4. Step 4: Simplify right side
    5,909,793.40x = 45,478,932,714,588.66
  5. Step 5: Solve for x
    x = 45,478,932,714,588.66/5,909,793.40
  6. Step 6: Final answer
    x = 7,695,519.90

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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.