Home / 20,922,931.68-28,886,527.44-16,589,522.40

Finding the Fourth Proportional to 20,922,931.68, 28,886,527.44 and 16,589,522.40

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Solution

The fourth proportional to 20,922,931.68, 28,886,527.44 and 16,589,522.40 is: 22,903,754.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,922,931.68 : 28,886,527.44 = 16,589,522.40 : x
  2. Step 2: Convert to fraction form
    20,922,931.68/28,886,527.44 = 16,589,522.40/x
  3. Step 3: Cross multiply
    20,922,931.68x = 28,886,527.44 × 16,589,522.40
  4. Step 4: Simplify right side
    20,922,931.68x = 479,213,694,024,094.69
  5. Step 5: Solve for x
    x = 479,213,694,024,094.69/20,922,931.68
  6. Step 6: Final answer
    x = 22,903,754.66

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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.