Home / 15,017,653.04-20,724,798.30-8,491,142.36

Finding the Fourth Proportional to 15,017,653.04, 20,724,798.30 and 8,491,142.36

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Solution

The fourth proportional to 15,017,653.04, 20,724,798.30 and 8,491,142.36 is: 11,718,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,017,653.04 : 20,724,798.30 = 8,491,142.36 : x
  2. Step 2: Convert to fraction form
    15,017,653.04/20,724,798.30 = 8,491,142.36/x
  3. Step 3: Cross multiply
    15,017,653.04x = 20,724,798.30 × 8,491,142.36
  4. Step 4: Simplify right side
    15,017,653.04x = 175,977,212,747,585.97
  5. Step 5: Solve for x
    x = 175,977,212,747,585.97/15,017,653.04
  6. Step 6: Final answer
    x = 11,718,023.60

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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.