Home / 7,168,777.62-9,892,883.46-3,905,582.32

Finding the Fourth Proportional to 7,168,777.62, 9,892,883.46 and 3,905,582.32

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Solution

The fourth proportional to 7,168,777.62, 9,892,883.46 and 3,905,582.32 is: 5,389,687.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168,777.62 : 9,892,883.46 = 3,905,582.32 : x
  2. Step 2: Convert to fraction form
    7,168,777.62/9,892,883.46 = 3,905,582.32/x
  3. Step 3: Cross multiply
    7,168,777.62x = 9,892,883.46 × 3,905,582.32
  4. Step 4: Simplify right side
    7,168,777.62x = 38,637,470,735,196.43
  5. Step 5: Solve for x
    x = 38,637,470,735,196.43/7,168,777.62
  6. Step 6: Final answer
    x = 5,389,687.45

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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.