Home / 15,713,619.78-23,563,556.88-7,927,742.58

Finding the Fourth Proportional to 15,713,619.78, 23,563,556.88 and 7,927,742.58

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Solution

The fourth proportional to 15,713,619.78, 23,563,556.88 and 7,927,742.58 is: 11,888,146.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,713,619.78 : 23,563,556.88 = 7,927,742.58 : x
  2. Step 2: Convert to fraction form
    15,713,619.78/23,563,556.88 = 7,927,742.58/x
  3. Step 3: Cross multiply
    15,713,619.78x = 23,563,556.88 × 7,927,742.58
  4. Step 4: Simplify right side
    15,713,619.78x = 186,805,813,213,827.94
  5. Step 5: Solve for x
    x = 186,805,813,213,827.94/15,713,619.78
  6. Step 6: Final answer
    x = 11,888,146.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.