Home / 38,461,604.96-53,074,912.08-21,054,582.72

Finding the Fourth Proportional to 38,461,604.96, 53,074,912.08 and 21,054,582.72

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Solution

The fourth proportional to 38,461,604.96, 53,074,912.08 and 21,054,582.72 is: 29,054,173.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,461,604.96 : 53,074,912.08 = 21,054,582.72 : x
  2. Step 2: Convert to fraction form
    38,461,604.96/53,074,912.08 = 21,054,582.72/x
  3. Step 3: Cross multiply
    38,461,604.96x = 53,074,912.08 × 21,054,582.72
  4. Step 4: Simplify right side
    38,461,604.96x = 1,117,470,126,745,087.12
  5. Step 5: Solve for x
    x = 1,117,470,126,745,087.12/38,461,604.96
  6. Step 6: Final answer
    x = 29,054,173.06

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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.