Home / 15,305,012.37-21,120,491.21-8,335,537.07

Finding the Fourth Proportional to 15,305,012.37, 21,120,491.21 and 8,335,537.07

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Solution

The fourth proportional to 15,305,012.37, 21,120,491.21 and 8,335,537.07 is: 11,502,809.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,305,012.37 : 21,120,491.21 = 8,335,537.07 : x
  2. Step 2: Convert to fraction form
    15,305,012.37/21,120,491.21 = 8,335,537.07/x
  3. Step 3: Cross multiply
    15,305,012.37x = 21,120,491.21 × 8,335,537.07
  4. Step 4: Simplify right side
    15,305,012.37x = 176,050,637,270,284
  5. Step 5: Solve for x
    x = 176,050,637,270,284/15,305,012.37
  6. Step 6: Final answer
    x = 11,502,809.21

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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.