Home / 7,870,890.42-11,806,337.79-6,076,393.38

Finding the Fourth Proportional to 7,870,890.42, 11,806,337.79 and 6,076,393.38

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Solution

The fourth proportional to 7,870,890.42, 11,806,337.79 and 6,076,393.38 is: 9,114,591.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870,890.42 : 11,806,337.79 = 6,076,393.38 : x
  2. Step 2: Convert to fraction form
    7,870,890.42/11,806,337.79 = 6,076,393.38/x
  3. Step 3: Cross multiply
    7,870,890.42x = 11,806,337.79 × 6,076,393.38
  4. Step 4: Simplify right side
    7,870,890.42x = 71,739,952,789,199.83
  5. Step 5: Solve for x
    x = 71,739,952,789,199.83/7,870,890.42
  6. Step 6: Final answer
    x = 9,114,591.74

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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.