Home / 30,358,515.40-45,522,026.70-11,179,400.20

Finding the Fourth Proportional to 30,358,515.40, 45,522,026.70 and 11,179,400.20

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Solution

The fourth proportional to 30,358,515.40, 45,522,026.70 and 11,179,400.20 is: 16,763,301.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,358,515.40 : 45,522,026.70 = 11,179,400.20 : x
  2. Step 2: Convert to fraction form
    30,358,515.40/45,522,026.70 = 11,179,400.20/x
  3. Step 3: Cross multiply
    30,358,515.40x = 45,522,026.70 × 11,179,400.20
  4. Step 4: Simplify right side
    30,358,515.40x = 508,908,954,394,385.31
  5. Step 5: Solve for x
    x = 508,908,954,394,385.31/30,358,515.40
  6. Step 6: Final answer
    x = 16,763,301.75

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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.