Home / 14,812,737.09-20,440,754.93-8,285,105.42

Finding the Fourth Proportional to 14,812,737.09, 20,440,754.93 and 8,285,105.42

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Solution

The fourth proportional to 14,812,737.09, 20,440,754.93 and 8,285,105.42 is: 11,432,985.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,812,737.09 : 20,440,754.93 = 8,285,105.42 : x
  2. Step 2: Convert to fraction form
    14,812,737.09/20,440,754.93 = 8,285,105.42/x
  3. Step 3: Cross multiply
    14,812,737.09x = 20,440,754.93 × 8,285,105.42
  4. Step 4: Simplify right side
    14,812,737.09x = 169,353,809,357,230.94
  5. Step 5: Solve for x
    x = 169,353,809,357,230.94/14,812,737.09
  6. Step 6: Final answer
    x = 11,432,985.57

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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.