Home / 19,319,661.69-26,661,772.52-10,618,142.73

Finding the Fourth Proportional to 19,319,661.69, 26,661,772.52 and 10,618,142.73

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Solution

The fourth proportional to 19,319,661.69, 26,661,772.52 and 10,618,142.73 is: 14,653,388.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319,661.69 : 26,661,772.52 = 10,618,142.73 : x
  2. Step 2: Convert to fraction form
    19,319,661.69/26,661,772.52 = 10,618,142.73/x
  3. Step 3: Cross multiply
    19,319,661.69x = 26,661,772.52 × 10,618,142.73
  4. Step 4: Simplify right side
    19,319,661.69x = 283,098,506,052,151.81
  5. Step 5: Solve for x
    x = 283,098,506,052,151.81/19,319,661.69
  6. Step 6: Final answer
    x = 14,653,388.38

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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.