Home / 15,802,188.45-21,808,789.83-8,927,113.38

Finding the Fourth Proportional to 15,802,188.45, 21,808,789.83 and 8,927,113.38

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Solution

The fourth proportional to 15,802,188.45, 21,808,789.83 and 8,927,113.38 is: 12,320,416.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,802,188.45 : 21,808,789.83 = 8,927,113.38 : x
  2. Step 2: Convert to fraction form
    15,802,188.45/21,808,789.83 = 8,927,113.38/x
  3. Step 3: Cross multiply
    15,802,188.45x = 21,808,789.83 × 8,927,113.38
  4. Step 4: Simplify right side
    15,802,188.45x = 194,689,539,493,000.94
  5. Step 5: Solve for x
    x = 194,689,539,493,000.94/15,802,188.45
  6. Step 6: Final answer
    x = 12,320,416.26

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1.5x scale

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.