Home / 21,902,673.78-30,229,733.34-14,071,975.02

Finding the Fourth Proportional to 21,902,673.78, 30,229,733.34 and 14,071,975.02

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Solution

The fourth proportional to 21,902,673.78, 30,229,733.34 and 14,071,975.02 is: 19,421,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,902,673.78 : 30,229,733.34 = 14,071,975.02 : x
  2. Step 2: Convert to fraction form
    21,902,673.78/30,229,733.34 = 14,071,975.02/x
  3. Step 3: Cross multiply
    21,902,673.78x = 30,229,733.34 × 14,071,975.02
  4. Step 4: Simplify right side
    21,902,673.78x = 425,392,052,421,741.12
  5. Step 5: Solve for x
    x = 425,392,052,421,741.12/21,902,673.78
  6. Step 6: Final answer
    x = 19,421,923.40

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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.