Home / 27,960,629.94-38,565,792.72-18,663,512.40

Finding the Fourth Proportional to 27,960,629.94, 38,565,792.72 and 18,663,512.40

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Solution

The fourth proportional to 27,960,629.94, 38,565,792.72 and 18,663,512.40 is: 25,742,379.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,960,629.94 : 38,565,792.72 = 18,663,512.40 : x
  2. Step 2: Convert to fraction form
    27,960,629.94/38,565,792.72 = 18,663,512.40/x
  3. Step 3: Cross multiply
    27,960,629.94x = 38,565,792.72 × 18,663,512.40
  4. Step 4: Simplify right side
    27,960,629.94x = 719,773,150,645,549.62
  5. Step 5: Solve for x
    x = 719,773,150,645,549.62/27,960,629.94
  6. Step 6: Final answer
    x = 25,742,379.63

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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.