Home / 38,984,558.67-53,799,116.12-21,581,194.52

Finding the Fourth Proportional to 38,984,558.67, 53,799,116.12 and 21,581,194.52

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Solution

The fourth proportional to 38,984,558.67, 53,799,116.12 and 21,581,194.52 is: 29,782,283.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,984,558.67 : 53,799,116.12 = 21,581,194.52 : x
  2. Step 2: Convert to fraction form
    38,984,558.67/53,799,116.12 = 21,581,194.52/x
  3. Step 3: Cross multiply
    38,984,558.67x = 53,799,116.12 × 21,581,194.52
  4. Step 4: Simplify right side
    38,984,558.67x = 1,161,049,189,881,881.75
  5. Step 5: Solve for x
    x = 1,161,049,189,881,881.75/38,984,558.67
  6. Step 6: Final answer
    x = 29,782,283.80

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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.