Home / 13,301,909.49-18,362,814.61-7,794,520

Finding the Fourth Proportional to 13,301,909.49, 18,362,814.61 and 7,794,520

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Solution

The fourth proportional to 13,301,909.49, 18,362,814.61 and 7,794,520 is: 10,760,058.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301,909.49 : 18,362,814.61 = 7,794,520 : x
  2. Step 2: Convert to fraction form
    13,301,909.49/18,362,814.61 = 7,794,520/x
  3. Step 3: Cross multiply
    13,301,909.49x = 18,362,814.61 × 7,794,520
  4. Step 4: Simplify right side
    13,301,909.49x = 143,129,325,733,937.19
  5. Step 5: Solve for x
    x = 143,129,325,733,937.19/13,301,909.49
  6. Step 6: Final answer
    x = 10,760,058.61

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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.