Home / 30,146,561.18-45,220,115.14-8,581,154.39

Finding the Fourth Proportional to 30,146,561.18, 45,220,115.14 and 8,581,154.39

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Solution

The fourth proportional to 30,146,561.18, 45,220,115.14 and 8,581,154.39 is: 12,871,809.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,146,561.18 : 45,220,115.14 = 8,581,154.39 : x
  2. Step 2: Convert to fraction form
    30,146,561.18/45,220,115.14 = 8,581,154.39/x
  3. Step 3: Cross multiply
    30,146,561.18x = 45,220,115.14 × 8,581,154.39
  4. Step 4: Simplify right side
    30,146,561.18x = 388,040,789,302,363
  5. Step 5: Solve for x
    x = 388,040,789,302,363/30,146,561.18
  6. Step 6: Final answer
    x = 12,871,809.39

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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.