Home / 8,728,889.50-12,045,871.20-5,059,934.23

Finding the Fourth Proportional to 8,728,889.50, 12,045,871.20 and 5,059,934.23

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Solution

The fourth proportional to 8,728,889.50, 12,045,871.20 and 5,059,934.23 is: 6,982,711.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728,889.50 : 12,045,871.20 = 5,059,934.23 : x
  2. Step 2: Convert to fraction form
    8,728,889.50/12,045,871.20 = 5,059,934.23/x
  3. Step 3: Cross multiply
    8,728,889.50x = 12,045,871.20 × 5,059,934.23
  4. Step 4: Simplify right side
    8,728,889.50x = 60,951,316,015,051.18
  5. Step 5: Solve for x
    x = 60,951,316,015,051.18/8,728,889.50
  6. Step 6: Final answer
    x = 6,982,711.38

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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.