Home / 30,282,022.20-45,428,938.20-13,010,189.70

Finding the Fourth Proportional to 30,282,022.20, 45,428,938.20 and 13,010,189.70

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Solution

The fourth proportional to 30,282,022.20, 45,428,938.20 and 13,010,189.70 is: 19,517,821.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,282,022.20 : 45,428,938.20 = 13,010,189.70 : x
  2. Step 2: Convert to fraction form
    30,282,022.20/45,428,938.20 = 13,010,189.70/x
  3. Step 3: Cross multiply
    30,282,022.20x = 45,428,938.20 × 13,010,189.70
  4. Step 4: Simplify right side
    30,282,022.20x = 591,039,103,851,576.50
  5. Step 5: Solve for x
    x = 591,039,103,851,576.50/30,282,022.20
  6. Step 6: Final answer
    x = 19,517,821.50

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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.