Home / 27,208,365.20-40,856,784.60-19,688,109.20

Finding the Fourth Proportional to 27,208,365.20, 40,856,784.60 and 19,688,109.20

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Solution

The fourth proportional to 27,208,365.20, 40,856,784.60 and 19,688,109.20 is: 29,564,173.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,208,365.20 : 40,856,784.60 = 19,688,109.20 : x
  2. Step 2: Convert to fraction form
    27,208,365.20/40,856,784.60 = 19,688,109.20/x
  3. Step 3: Cross multiply
    27,208,365.20x = 40,856,784.60 × 19,688,109.20
  4. Step 4: Simplify right side
    27,208,365.20x = 804,392,836,765,678.38
  5. Step 5: Solve for x
    x = 804,392,836,765,678.38/27,208,365.20
  6. Step 6: Final answer
    x = 29,564,173.77

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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.