Home / 38,308,308-52,866,581.49-20,905,774.17

Finding the Fourth Proportional to 38,308,308, 52,866,581.49 and 20,905,774.17

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Solution

The fourth proportional to 38,308,308, 52,866,581.49 and 20,905,774.17 is: 28,850,577.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308,308 : 52,866,581.49 = 20,905,774.17 : x
  2. Step 2: Convert to fraction form
    38,308,308/52,866,581.49 = 20,905,774.17/x
  3. Step 3: Cross multiply
    38,308,308x = 52,866,581.49 × 20,905,774.17
  4. Step 4: Simplify right side
    38,308,308x = 1,105,216,813,769,842.25
  5. Step 5: Solve for x
    x = 1,105,216,813,769,842.25/38,308,308
  6. Step 6: Final answer
    x = 28,850,577.63

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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.