Home / 14,611,687.12-20,164,152.36-8,085,591.28

Finding the Fourth Proportional to 14,611,687.12, 20,164,152.36 and 8,085,591.28

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Solution

The fourth proportional to 14,611,687.12, 20,164,152.36 and 8,085,591.28 is: 11,158,129.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,611,687.12 : 20,164,152.36 = 8,085,591.28 : x
  2. Step 2: Convert to fraction form
    14,611,687.12/20,164,152.36 = 8,085,591.28/x
  3. Step 3: Cross multiply
    14,611,687.12x = 20,164,152.36 × 8,085,591.28
  4. Step 4: Simplify right side
    14,611,687.12x = 163,039,094,490,607.41
  5. Step 5: Solve for x
    x = 163,039,094,490,607.41/14,611,687.12
  6. Step 6: Final answer
    x = 11,158,129.32

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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.