Home / 12,873,166.32-17,765,151.48-7,072,484.16

Finding the Fourth Proportional to 12,873,166.32, 17,765,151.48 and 7,072,484.16

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Solution

The fourth proportional to 12,873,166.32, 17,765,151.48 and 7,072,484.16 is: 9,760,128.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873,166.32 : 17,765,151.48 = 7,072,484.16 : x
  2. Step 2: Convert to fraction form
    12,873,166.32/17,765,151.48 = 7,072,484.16/x
  3. Step 3: Cross multiply
    12,873,166.32x = 17,765,151.48 × 7,072,484.16
  4. Step 4: Simplify right side
    12,873,166.32x = 125,643,752,442,300.56
  5. Step 5: Solve for x
    x = 125,643,752,442,300.56/12,873,166.32
  6. Step 6: Final answer
    x = 9,760,128.11

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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.