Home / 30,579,129.56-42,199,205.10-16,828,093.82

Finding the Fourth Proportional to 30,579,129.56, 42,199,205.10 and 16,828,093.82

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Solution

The fourth proportional to 30,579,129.56, 42,199,205.10 and 16,828,093.82 is: 23,222,772.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,579,129.56 : 42,199,205.10 = 16,828,093.82 : x
  2. Step 2: Convert to fraction form
    30,579,129.56/42,199,205.10 = 16,828,093.82/x
  3. Step 3: Cross multiply
    30,579,129.56x = 42,199,205.10 × 16,828,093.82
  4. Step 4: Simplify right side
    30,579,129.56x = 710,132,182,552,222.50
  5. Step 5: Solve for x
    x = 710,132,182,552,222.50/30,579,129.56
  6. Step 6: Final answer
    x = 23,222,772.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.