Home / 15,422,930.14-21,283,643.82-8,547,855.07

Finding the Fourth Proportional to 15,422,930.14, 21,283,643.82 and 8,547,855.07

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Solution

The fourth proportional to 15,422,930.14, 21,283,643.82 and 8,547,855.07 is: 11,796,040.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422,930.14 : 21,283,643.82 = 8,547,855.07 : x
  2. Step 2: Convert to fraction form
    15,422,930.14/21,283,643.82 = 8,547,855.07/x
  3. Step 3: Cross multiply
    15,422,930.14x = 21,283,643.82 × 8,547,855.07
  4. Step 4: Simplify right side
    15,422,930.14x = 181,929,502,734,861.19
  5. Step 5: Solve for x
    x = 181,929,502,734,861.19/15,422,930.14
  6. Step 6: Final answer
    x = 11,796,040.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.