Home / 19,171,198.12-28,748,802.30-7,803,930.28

Finding the Fourth Proportional to 19,171,198.12, 28,748,802.30 and 7,803,930.28

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Solution

The fourth proportional to 19,171,198.12, 28,748,802.30 and 7,803,930.28 is: 11,702,640.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171,198.12 : 28,748,802.30 = 7,803,930.28 : x
  2. Step 2: Convert to fraction form
    19,171,198.12/28,748,802.30 = 7,803,930.28/x
  3. Step 3: Cross multiply
    19,171,198.12x = 28,748,802.30 × 7,803,930.28
  4. Step 4: Simplify right side
    19,171,198.12x = 224,353,648,782,703.66
  5. Step 5: Solve for x
    x = 224,353,648,782,703.66/19,171,198.12
  6. Step 6: Final answer
    x = 11,702,640.98

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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.