Home / 19,312,829.60-28,969,244.40-8,695,997.60

Finding the Fourth Proportional to 19,312,829.60, 28,969,244.40 and 8,695,997.60

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Solution

The fourth proportional to 19,312,829.60, 28,969,244.40 and 8,695,997.60 is: 13,043,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312,829.60 : 28,969,244.40 = 8,695,997.60 : x
  2. Step 2: Convert to fraction form
    19,312,829.60/28,969,244.40 = 8,695,997.60/x
  3. Step 3: Cross multiply
    19,312,829.60x = 28,969,244.40 × 8,695,997.60
  4. Step 4: Simplify right side
    19,312,829.60x = 251,916,479,776,213.41
  5. Step 5: Solve for x
    x = 251,916,479,776,213.41/19,312,829.60
  6. Step 6: Final answer
    x = 13,043,996.40

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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.