Home / 8,347,636.78-12,503,458.60-5,637,056.84

Finding the Fourth Proportional to 8,347,636.78, 12,503,458.60 and 5,637,056.84

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Solution

The fourth proportional to 8,347,636.78, 12,503,458.60 and 5,637,056.84 is: 8,443,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347,636.78 : 12,503,458.60 = 5,637,056.84 : x
  2. Step 2: Convert to fraction form
    8,347,636.78/12,503,458.60 = 5,637,056.84/x
  3. Step 3: Cross multiply
    8,347,636.78x = 12,503,458.60 × 5,637,056.84
  4. Step 4: Simplify right side
    8,347,636.78x = 70,482,706,824,786.81
  5. Step 5: Solve for x
    x = 70,482,706,824,786.81/8,347,636.78
  6. Step 6: Final answer
    x = 8,443,432.40

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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.