Home / 30,282,023.70-45,428,940.45-13,010,191.20

Finding the Fourth Proportional to 30,282,023.70, 45,428,940.45 and 13,010,191.20

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Solution

The fourth proportional to 30,282,023.70, 45,428,940.45 and 13,010,191.20 is: 19,517,823.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,282,023.70 : 45,428,940.45 = 13,010,191.20 : x
  2. Step 2: Convert to fraction form
    30,282,023.70/45,428,940.45 = 13,010,191.20/x
  3. Step 3: Cross multiply
    30,282,023.70x = 45,428,940.45 × 13,010,191.20
  4. Step 4: Simplify right side
    30,282,023.70x = 591,039,201,267,914
  5. Step 5: Solve for x
    x = 591,039,201,267,914/30,282,023.70
  6. Step 6: Final answer
    x = 19,517,823.75

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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.