Home / 19,478,024.70-29,217,037.05-9,378,210.30

Finding the Fourth Proportional to 19,478,024.70, 29,217,037.05 and 9,378,210.30

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Solution

The fourth proportional to 19,478,024.70, 29,217,037.05 and 9,378,210.30 is: 14,067,315.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478,024.70 : 29,217,037.05 = 9,378,210.30 : x
  2. Step 2: Convert to fraction form
    19,478,024.70/29,217,037.05 = 9,378,210.30/x
  3. Step 3: Cross multiply
    19,478,024.70x = 29,217,037.05 × 9,378,210.30
  4. Step 4: Simplify right side
    19,478,024.70x = 274,003,517,797,791.66
  5. Step 5: Solve for x
    x = 274,003,517,797,791.66/19,478,024.70
  6. Step 6: Final answer
    x = 14,067,315.45

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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.