Home / 8,316,056.80-12,481,958.40-7,119,330.40

Finding the Fourth Proportional to 8,316,056.80, 12,481,958.40 and 7,119,330.40

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Solution

The fourth proportional to 8,316,056.80, 12,481,958.40 and 7,119,330.40 is: 10,685,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316,056.80 : 12,481,958.40 = 7,119,330.40 : x
  2. Step 2: Convert to fraction form
    8,316,056.80/12,481,958.40 = 7,119,330.40/x
  3. Step 3: Cross multiply
    8,316,056.80x = 12,481,958.40 × 7,119,330.40
  4. Step 4: Simplify right side
    8,316,056.80x = 88,863,185,888,655.38
  5. Step 5: Solve for x
    x = 88,863,185,888,655.38/8,316,056.80
  6. Step 6: Final answer
    x = 10,685,735.80

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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.