Home / 13,943,899.39-19,243,048.45-7,749,207.19

Finding the Fourth Proportional to 13,943,899.39, 19,243,048.45 and 7,749,207.19

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Solution

The fourth proportional to 13,943,899.39, 19,243,048.45 and 7,749,207.19 is: 10,694,165.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943,899.39 : 19,243,048.45 = 7,749,207.19 : x
  2. Step 2: Convert to fraction form
    13,943,899.39/19,243,048.45 = 7,749,207.19/x
  3. Step 3: Cross multiply
    13,943,899.39x = 19,243,048.45 × 7,749,207.19
  4. Step 4: Simplify right side
    13,943,899.39x = 149,118,369,367,512.34
  5. Step 5: Solve for x
    x = 149,118,369,367,512.34/13,943,899.39
  6. Step 6: Final answer
    x = 10,694,165.62

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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.