Home / 38,415,233.73-53,014,284.90-21,011,578.39

Finding the Fourth Proportional to 38,415,233.73, 53,014,284.90 and 21,011,578.39

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Solution

The fourth proportional to 38,415,233.73, 53,014,284.90 and 21,011,578.39 is: 28,996,668.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,415,233.73 : 53,014,284.90 = 21,011,578.39 : x
  2. Step 2: Convert to fraction form
    38,415,233.73/53,014,284.90 = 21,011,578.39/x
  3. Step 3: Cross multiply
    38,415,233.73x = 53,014,284.90 × 21,011,578.39
  4. Step 4: Simplify right side
    38,415,233.73x = 1,113,913,802,596,014.12
  5. Step 5: Solve for x
    x = 1,113,913,802,596,014.12/38,415,233.73
  6. Step 6: Final answer
    x = 28,996,668.62

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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.