Home / 38,523,531.93-53,162,460.99-21,119,503.79

Finding the Fourth Proportional to 38,523,531.93, 53,162,460.99 and 21,119,503.79

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Solution

The fourth proportional to 38,523,531.93, 53,162,460.99 and 21,119,503.79 is: 29,144,908.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,523,531.93 : 53,162,460.99 = 21,119,503.79 : x
  2. Step 2: Convert to fraction form
    38,523,531.93/53,162,460.99 = 21,119,503.79/x
  3. Step 3: Cross multiply
    38,523,531.93x = 53,162,460.99 × 21,119,503.79
  4. Step 4: Simplify right side
    38,523,531.93x = 1,122,764,796,098,219.88
  5. Step 5: Solve for x
    x = 1,122,764,796,098,219.88/38,523,531.93
  6. Step 6: Final answer
    x = 29,144,908.06

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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.