Home / 8,676,611.80-13,014,917.70-6,437,123.80

Finding the Fourth Proportional to 8,676,611.80, 13,014,917.70 and 6,437,123.80

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Solution

The fourth proportional to 8,676,611.80, 13,014,917.70 and 6,437,123.80 is: 9,655,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676,611.80 : 13,014,917.70 = 6,437,123.80 : x
  2. Step 2: Convert to fraction form
    8,676,611.80/13,014,917.70 = 6,437,123.80/x
  3. Step 3: Cross multiply
    8,676,611.80x = 13,014,917.70 × 6,437,123.80
  4. Step 4: Simplify right side
    8,676,611.80x = 83,778,636,481,711.25
  5. Step 5: Solve for x
    x = 83,778,636,481,711.25/8,676,611.80
  6. Step 6: Final answer
    x = 9,655,685.70

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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.