Home / 19,099,114.80-28,638,822.60-5,634,193.20

Finding the Fourth Proportional to 19,099,114.80, 28,638,822.60 and 5,634,193.20

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Solution

The fourth proportional to 19,099,114.80, 28,638,822.60 and 5,634,193.20 is: 8,448,384.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,099,114.80 : 28,638,822.60 = 5,634,193.20 : x
  2. Step 2: Convert to fraction form
    19,099,114.80/28,638,822.60 = 5,634,193.20/x
  3. Step 3: Cross multiply
    19,099,114.80x = 28,638,822.60 × 5,634,193.20
  4. Step 4: Simplify right side
    19,099,114.80x = 161,356,659,548,926.34
  5. Step 5: Solve for x
    x = 161,356,659,548,926.34/19,099,114.80
  6. Step 6: Final answer
    x = 8,448,384.19

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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.