Home / 19,749,081.76-29,615,964-6,792,768.88

Finding the Fourth Proportional to 19,749,081.76, 29,615,964 and 6,792,768.88

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Solution

The fourth proportional to 19,749,081.76, 29,615,964 and 6,792,768.88 is: 10,186,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,749,081.76 : 29,615,964 = 6,792,768.88 : x
  2. Step 2: Convert to fraction form
    19,749,081.76/29,615,964 = 6,792,768.88/x
  3. Step 3: Cross multiply
    19,749,081.76x = 29,615,964 × 6,792,768.88
  4. Step 4: Simplify right side
    19,749,081.76x = 201,174,398,610,400.31
  5. Step 5: Solve for x
    x = 201,174,398,610,400.31/19,749,081.76
  6. Step 6: Final answer
    x = 10,186,519.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.