Home / 19,188,051.30-28,778,924.30-6,889,468.68

Finding the Fourth Proportional to 19,188,051.30, 28,778,924.30 and 6,889,468.68

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Solution

The fourth proportional to 19,188,051.30, 28,778,924.30 and 6,889,468.68 is: 10,333,071.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188,051.30 : 28,778,924.30 = 6,889,468.68 : x
  2. Step 2: Convert to fraction form
    19,188,051.30/28,778,924.30 = 6,889,468.68/x
  3. Step 3: Cross multiply
    19,188,051.30x = 28,778,924.30 × 6,889,468.68
  4. Step 4: Simplify right side
    19,188,051.30x = 198,271,497,574,493.59
  5. Step 5: Solve for x
    x = 198,271,497,574,493.59/19,188,051.30
  6. Step 6: Final answer
    x = 10,333,071.06

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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.