Home / 15,601,527.55-21,529,990.93-8,726,009.61

Finding the Fourth Proportional to 15,601,527.55, 21,529,990.93 and 8,726,009.61

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Solution

The fourth proportional to 15,601,527.55, 21,529,990.93 and 8,726,009.61 is: 12,041,827.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601,527.55 : 21,529,990.93 = 8,726,009.61 : x
  2. Step 2: Convert to fraction form
    15,601,527.55/21,529,990.93 = 8,726,009.61/x
  3. Step 3: Cross multiply
    15,601,527.55x = 21,529,990.93 × 8,726,009.61
  4. Step 4: Simplify right side
    15,601,527.55x = 187,870,907,607,112.84
  5. Step 5: Solve for x
    x = 187,870,907,607,112.84/15,601,527.55
  6. Step 6: Final answer
    x = 12,041,827.77

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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.