Home / 8,515,316.40-12,772,974.60-8,095,412.40

Finding the Fourth Proportional to 8,515,316.40, 12,772,974.60 and 8,095,412.40

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Solution

The fourth proportional to 8,515,316.40, 12,772,974.60 and 8,095,412.40 is: 12,143,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515,316.40 : 12,772,974.60 = 8,095,412.40 : x
  2. Step 2: Convert to fraction form
    8,515,316.40/12,772,974.60 = 8,095,412.40/x
  3. Step 3: Cross multiply
    8,515,316.40x = 12,772,974.60 × 8,095,412.40
  4. Step 4: Simplify right side
    8,515,316.40x = 103,402,496,961,725.05
  5. Step 5: Solve for x
    x = 103,402,496,961,725.05/8,515,316.40
  6. Step 6: Final answer
    x = 12,143,118.60

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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.