Home / 19,309,877.60-28,968,704.40-5,662,997.60

Finding the Fourth Proportional to 19,309,877.60, 28,968,704.40 and 5,662,997.60

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Solution

The fourth proportional to 19,309,877.60, 28,968,704.40 and 5,662,997.60 is: 8,495,636.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309,877.60 : 28,968,704.40 = 5,662,997.60 : x
  2. Step 2: Convert to fraction form
    19,309,877.60/28,968,704.40 = 5,662,997.60/x
  3. Step 3: Cross multiply
    19,309,877.60x = 28,968,704.40 × 5,662,997.60
  4. Step 4: Simplify right side
    19,309,877.60x = 164,049,703,492,309.41
  5. Step 5: Solve for x
    x = 164,049,703,492,309.41/19,309,877.60
  6. Step 6: Final answer
    x = 8,495,636.63

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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.