Home / 19,246,821.48-28,852,148.70-6,458,357.88

Finding the Fourth Proportional to 19,246,821.48, 28,852,148.70 and 6,458,357.88

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Solution

The fourth proportional to 19,246,821.48, 28,852,148.70 and 6,458,357.88 is: 9,681,468.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,246,821.48 : 28,852,148.70 = 6,458,357.88 : x
  2. Step 2: Convert to fraction form
    19,246,821.48/28,852,148.70 = 6,458,357.88/x
  3. Step 3: Cross multiply
    19,246,821.48x = 28,852,148.70 × 6,458,357.88
  4. Step 4: Simplify right side
    19,246,821.48x = 186,337,501,911,576.75
  5. Step 5: Solve for x
    x = 186,337,501,911,576.75/19,246,821.48
  6. Step 6: Final answer
    x = 9,681,468.81

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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.