Home / 30,310,076.76-45,433,358.82-14,122,678.20

Finding the Fourth Proportional to 30,310,076.76, 45,433,358.82 and 14,122,678.20

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Solution

The fourth proportional to 30,310,076.76, 45,433,358.82 and 14,122,678.20 is: 21,169,220.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310,076.76 : 45,433,358.82 = 14,122,678.20 : x
  2. Step 2: Convert to fraction form
    30,310,076.76/45,433,358.82 = 14,122,678.20/x
  3. Step 3: Cross multiply
    30,310,076.76x = 45,433,358.82 × 14,122,678.20
  4. Step 4: Simplify right side
    30,310,076.76x = 641,640,706,159,991.75
  5. Step 5: Solve for x
    x = 641,640,706,159,991.75/30,310,076.76
  6. Step 6: Final answer
    x = 21,169,220.76

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1.5x scale

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.