Home / 30,146,561.43-45,220,115.51-8,581,154.64

Finding the Fourth Proportional to 30,146,561.43, 45,220,115.51 and 8,581,154.64

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Solution

The fourth proportional to 30,146,561.43, 45,220,115.51 and 8,581,154.64 is: 12,871,809.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,146,561.43 : 45,220,115.51 = 8,581,154.64 : x
  2. Step 2: Convert to fraction form
    30,146,561.43/45,220,115.51 = 8,581,154.64/x
  3. Step 3: Cross multiply
    30,146,561.43x = 45,220,115.51 × 8,581,154.64
  4. Step 4: Simplify right side
    30,146,561.43x = 388,040,804,029,972.50
  5. Step 5: Solve for x
    x = 388,040,804,029,972.50/30,146,561.43
  6. Step 6: Final answer
    x = 12,871,809.77

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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.