Home / 30,335,915.80-45,503,873.70-11,180,420.20

Finding the Fourth Proportional to 30,335,915.80, 45,503,873.70 and 11,180,420.20

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Solution

The fourth proportional to 30,335,915.80, 45,503,873.70 and 11,180,420.20 is: 16,770,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,335,915.80 : 45,503,873.70 = 11,180,420.20 : x
  2. Step 2: Convert to fraction form
    30,335,915.80/45,503,873.70 = 11,180,420.20/x
  3. Step 3: Cross multiply
    30,335,915.80x = 45,503,873.70 × 11,180,420.20
  4. Step 4: Simplify right side
    30,335,915.80x = 508,752,428,693,728.75
  5. Step 5: Solve for x
    x = 508,752,428,693,728.75/30,335,915.80
  6. Step 6: Final answer
    x = 16,770,630.30

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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.