Home / 30,177,194.10-45,265,938.78-11,007,920.40

Finding the Fourth Proportional to 30,177,194.10, 45,265,938.78 and 11,007,920.40

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Solution

The fourth proportional to 30,177,194.10, 45,265,938.78 and 11,007,920.40 is: 16,511,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,177,194.10 : 45,265,938.78 = 11,007,920.40 : x
  2. Step 2: Convert to fraction form
    30,177,194.10/45,265,938.78 = 11,007,920.40/x
  3. Step 3: Cross multiply
    30,177,194.10x = 45,265,938.78 × 11,007,920.40
  4. Step 4: Simplify right side
    30,177,194.10x = 498,283,850,921,513.12
  5. Step 5: Solve for x
    x = 498,283,850,921,513.12/30,177,194.10
  6. Step 6: Final answer
    x = 16,511,934.45

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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.