Home / 8,076,386.40-12,131,427.60-6,816,674.40

Finding the Fourth Proportional to 8,076,386.40, 12,131,427.60 and 6,816,674.40

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Solution

The fourth proportional to 8,076,386.40, 12,131,427.60 and 6,816,674.40 is: 10,239,231.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076,386.40 : 12,131,427.60 = 6,816,674.40 : x
  2. Step 2: Convert to fraction form
    8,076,386.40/12,131,427.60 = 6,816,674.40/x
  3. Step 3: Cross multiply
    8,076,386.40x = 12,131,427.60 × 6,816,674.40
  4. Step 4: Simplify right side
    8,076,386.40x = 82,695,991,956,373.44
  5. Step 5: Solve for x
    x = 82,695,991,956,373.44/8,076,386.40
  6. Step 6: Final answer
    x = 10,239,231.74

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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.