Home / 10,946,715.60-16,392,079.80-8,091,368.40

Finding the Fourth Proportional to 10,946,715.60, 16,392,079.80 and 8,091,368.40

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Solution

The fourth proportional to 10,946,715.60, 16,392,079.80 and 8,091,368.40 is: 12,116,360.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,946,715.60 : 16,392,079.80 = 8,091,368.40 : x
  2. Step 2: Convert to fraction form
    10,946,715.60/16,392,079.80 = 8,091,368.40/x
  3. Step 3: Cross multiply
    10,946,715.60x = 16,392,079.80 × 8,091,368.40
  4. Step 4: Simplify right side
    10,946,715.60x = 132,634,356,503,998.33
  5. Step 5: Solve for x
    x = 132,634,356,503,998.33/10,946,715.60
  6. Step 6: Final answer
    x = 12,116,360.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.