Home / 13,005,447.48-19,429,070.24-8,419,133.52

Finding the Fourth Proportional to 13,005,447.48, 19,429,070.24 and 8,419,133.52

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Solution

The fourth proportional to 13,005,447.48, 19,429,070.24 and 8,419,133.52 is: 12,577,493.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005,447.48 : 19,429,070.24 = 8,419,133.52 : x
  2. Step 2: Convert to fraction form
    13,005,447.48/19,429,070.24 = 8,419,133.52/x
  3. Step 3: Cross multiply
    13,005,447.48x = 19,429,070.24 × 8,419,133.52
  4. Step 4: Simplify right side
    13,005,447.48x = 163,575,936,520,018.44
  5. Step 5: Solve for x
    x = 163,575,936,520,018.44/13,005,447.48
  6. Step 6: Final answer
    x = 12,577,493.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.