Home / 38,461,486.68-53,074,749.27-21,054,464.76

Finding the Fourth Proportional to 38,461,486.68, 53,074,749.27 and 21,054,464.76

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Solution

The fourth proportional to 38,461,486.68, 53,074,749.27 and 21,054,464.76 is: 29,054,010.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,461,486.68 : 53,074,749.27 = 21,054,464.76 : x
  2. Step 2: Convert to fraction form
    38,461,486.68/53,074,749.27 = 21,054,464.76/x
  3. Step 3: Cross multiply
    38,461,486.68x = 53,074,749.27 × 21,054,464.76
  4. Step 4: Simplify right side
    38,461,486.68x = 1,117,460,438,151,050.88
  5. Step 5: Solve for x
    x = 1,117,460,438,151,050.88/38,461,486.68
  6. Step 6: Final answer
    x = 29,054,010.51

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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.