Home / 30,578,069.40-45,867,091.34-11,148,750.46

Finding the Fourth Proportional to 30,578,069.40, 45,867,091.34 and 11,148,750.46

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Solution

The fourth proportional to 30,578,069.40, 45,867,091.34 and 11,148,750.46 is: 16,723,121.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,578,069.40 : 45,867,091.34 = 11,148,750.46 : x
  2. Step 2: Convert to fraction form
    30,578,069.40/45,867,091.34 = 11,148,750.46/x
  3. Step 3: Cross multiply
    30,578,069.40x = 45,867,091.34 × 11,148,750.46
  4. Step 4: Simplify right side
    30,578,069.40x = 511,360,755,677,277.12
  5. Step 5: Solve for x
    x = 511,360,755,677,277.12/30,578,069.40
  6. Step 6: Final answer
    x = 16,723,121.04

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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.