Home / 12,838,609.68-17,717,495.52-6,958,431.60

Finding the Fourth Proportional to 12,838,609.68, 17,717,495.52 and 6,958,431.60

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Solution

The fourth proportional to 12,838,609.68, 17,717,495.52 and 6,958,431.60 is: 9,602,751.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,838,609.68 : 17,717,495.52 = 6,958,431.60 : x
  2. Step 2: Convert to fraction form
    12,838,609.68/17,717,495.52 = 6,958,431.60/x
  3. Step 3: Cross multiply
    12,838,609.68x = 17,717,495.52 × 6,958,431.60
  4. Step 4: Simplify right side
    12,838,609.68x = 123,285,980,699,226.42
  5. Step 5: Solve for x
    x = 123,285,980,699,226.42/12,838,609.68
  6. Step 6: Final answer
    x = 9,602,751.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.