Home / 38,459,834.66-53,074,430.34-21,939,929.84

Finding the Fourth Proportional to 38,459,834.66, 53,074,430.34 and 21,939,929.84

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Solution

The fourth proportional to 38,459,834.66, 53,074,430.34 and 21,939,929.84 is: 30,277,022.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,459,834.66 : 53,074,430.34 = 21,939,929.84 : x
  2. Step 2: Convert to fraction form
    38,459,834.66/53,074,430.34 = 21,939,929.84/x
  3. Step 3: Cross multiply
    38,459,834.66x = 53,074,430.34 × 21,939,929.84
  4. Step 4: Simplify right side
    38,459,834.66x = 1,164,449,277,957,567.50
  5. Step 5: Solve for x
    x = 1,164,449,277,957,567.50/38,459,834.66
  6. Step 6: Final answer
    x = 30,277,022.46

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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.