Home / 19,478,029.20-29,217,043.80-9,378,214.80

Finding the Fourth Proportional to 19,478,029.20, 29,217,043.80 and 9,378,214.80

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Solution

The fourth proportional to 19,478,029.20, 29,217,043.80 and 9,378,214.80 is: 14,067,322.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478,029.20 : 29,217,043.80 = 9,378,214.80 : x
  2. Step 2: Convert to fraction form
    19,478,029.20/29,217,043.80 = 9,378,214.80/x
  3. Step 3: Cross multiply
    19,478,029.20x = 29,217,043.80 × 9,378,214.80
  4. Step 4: Simplify right side
    19,478,029.20x = 274,003,712,577,408.28
  5. Step 5: Solve for x
    x = 274,003,712,577,408.28/19,478,029.20
  6. Step 6: Final answer
    x = 14,067,322.20

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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.