Home / 8,118,400.84-11,199,145.80-5,019,933.76

Finding the Fourth Proportional to 8,118,400.84, 11,199,145.80 and 5,019,933.76

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Solution

The fourth proportional to 8,118,400.84, 11,199,145.80 and 5,019,933.76 is: 6,924,882.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118,400.84 : 11,199,145.80 = 5,019,933.76 : x
  2. Step 2: Convert to fraction form
    8,118,400.84/11,199,145.80 = 5,019,933.76/x
  3. Step 3: Cross multiply
    8,118,400.84x = 11,199,145.80 × 5,019,933.76
  4. Step 4: Simplify right side
    8,118,400.84x = 56,218,970,084,582.21
  5. Step 5: Solve for x
    x = 56,218,970,084,582.21/8,118,400.84
  6. Step 6: Final answer
    x = 6,924,882.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.