Home / 15,017,271.52-20,723,709.72-8,492,182.24

Finding the Fourth Proportional to 15,017,271.52, 20,723,709.72 and 8,492,182.24

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Solution

The fourth proportional to 15,017,271.52, 20,723,709.72 and 8,492,182.24 is: 11,719,140.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,017,271.52 : 20,723,709.72 = 8,492,182.24 : x
  2. Step 2: Convert to fraction form
    15,017,271.52/20,723,709.72 = 8,492,182.24/x
  3. Step 3: Cross multiply
    15,017,271.52x = 20,723,709.72 × 8,492,182.24
  4. Step 4: Simplify right side
    15,017,271.52x = 175,989,519,631,099.38
  5. Step 5: Solve for x
    x = 175,989,519,631,099.38/15,017,271.52
  6. Step 6: Final answer
    x = 11,719,140.82

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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.