Home / 8,340,125-11,509,294.74-4,718,453

Finding the Fourth Proportional to 8,340,125, 11,509,294.74 and 4,718,453

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Solution

The fourth proportional to 8,340,125, 11,509,294.74 and 4,718,453 is: 6,511,421.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340,125 : 11,509,294.74 = 4,718,453 : x
  2. Step 2: Convert to fraction form
    8,340,125/11,509,294.74 = 4,718,453/x
  3. Step 3: Cross multiply
    8,340,125x = 11,509,294.74 × 4,718,453
  4. Step 4: Simplify right side
    8,340,125x = 54,306,066,293,837.22
  5. Step 5: Solve for x
    x = 54,306,066,293,837.22/8,340,125
  6. Step 6: Final answer
    x = 6,511,421.15

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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.