Home / 15,422,667.09-21,283,148.28-8,453,731.65

Finding the Fourth Proportional to 15,422,667.09, 21,283,148.28 and 8,453,731.65

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Solution

The fourth proportional to 15,422,667.09, 21,283,148.28 and 8,453,731.65 is: 11,666,077.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422,667.09 : 21,283,148.28 = 8,453,731.65 : x
  2. Step 2: Convert to fraction form
    15,422,667.09/21,283,148.28 = 8,453,731.65/x
  3. Step 3: Cross multiply
    15,422,667.09x = 21,283,148.28 × 8,453,731.65
  4. Step 4: Simplify right side
    15,422,667.09x = 179,922,024,226,279.09
  5. Step 5: Solve for x
    x = 179,922,024,226,279.09/15,422,667.09
  6. Step 6: Final answer
    x = 11,666,077.16

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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.