Home / 18,407,495.72-25,402,421.09-10,147,376.69

Finding the Fourth Proportional to 18,407,495.72, 25,402,421.09 and 10,147,376.69

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Solution

The fourth proportional to 18,407,495.72, 25,402,421.09 and 10,147,376.69 is: 14,003,422.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,407,495.72 : 25,402,421.09 = 10,147,376.69 : x
  2. Step 2: Convert to fraction form
    18,407,495.72/25,402,421.09 = 10,147,376.69/x
  3. Step 3: Cross multiply
    18,407,495.72x = 25,402,421.09 × 10,147,376.69
  4. Step 4: Simplify right side
    18,407,495.72x = 257,767,935,460,481.44
  5. Step 5: Solve for x
    x = 257,767,935,460,481.44/18,407,495.72
  6. Step 6: Final answer
    x = 14,003,422.27

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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.