Home / 39,861,354.17-55,008,668.31-21,526,639.67

Finding the Fourth Proportional to 39,861,354.17, 55,008,668.31 and 21,526,639.67

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Solution

The fourth proportional to 39,861,354.17, 55,008,668.31 and 21,526,639.67 is: 29,706,762.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,861,354.17 : 55,008,668.31 = 21,526,639.67 : x
  2. Step 2: Convert to fraction form
    39,861,354.17/55,008,668.31 = 21,526,639.67/x
  3. Step 3: Cross multiply
    39,861,354.17x = 55,008,668.31 × 21,526,639.67
  4. Step 4: Simplify right side
    39,861,354.17x = 1,184,151,781,613,802
  5. Step 5: Solve for x
    x = 1,184,151,781,613,802/39,861,354.17
  6. Step 6: Final answer
    x = 29,706,762.51

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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.