Home / 27,580,355.40-38,062,619.28-15,190,446.36

Finding the Fourth Proportional to 27,580,355.40, 38,062,619.28 and 15,190,446.36

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Solution

The fourth proportional to 27,580,355.40, 38,062,619.28 and 15,190,446.36 is: 20,963,768.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,580,355.40 : 38,062,619.28 = 15,190,446.36 : x
  2. Step 2: Convert to fraction form
    27,580,355.40/38,062,619.28 = 15,190,446.36/x
  3. Step 3: Cross multiply
    27,580,355.40x = 38,062,619.28 × 15,190,446.36
  4. Step 4: Simplify right side
    27,580,355.40x = 578,188,176,493,941.88
  5. Step 5: Solve for x
    x = 578,188,176,493,941.88/27,580,355.40
  6. Step 6: Final answer
    x = 20,963,768.16

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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.