Home / 38,608,973.88-53,267,421.04-21,861,425.00

Finding the Fourth Proportional to 38,608,973.88, 53,267,421.04 and 21,861,425.00

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Solution

The fourth proportional to 38,608,973.88, 53,267,421.04 and 21,861,425.00 is: 30,161,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,608,973.88 : 53,267,421.04 = 21,861,425.00 : x
  2. Step 2: Convert to fraction form
    38,608,973.88/53,267,421.04 = 21,861,425.00/x
  3. Step 3: Cross multiply
    38,608,973.88x = 53,267,421.04 × 21,861,425.00
  4. Step 4: Simplify right side
    38,608,973.88x = 1,164,501,729,813,724.75
  5. Step 5: Solve for x
    x = 1,164,501,729,813,724.75/38,608,973.88
  6. Step 6: Final answer
    x = 30,161,426.55

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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.