Home / 30,272,226.56-45,368,910.72-12,300,320

Finding the Fourth Proportional to 30,272,226.56, 45,368,910.72 and 12,300,320

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Solution

The fourth proportional to 30,272,226.56, 45,368,910.72 and 12,300,320 is: 18,434,459.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,272,226.56 : 45,368,910.72 = 12,300,320 : x
  2. Step 2: Convert to fraction form
    30,272,226.56/45,368,910.72 = 12,300,320/x
  3. Step 3: Cross multiply
    30,272,226.56x = 45,368,910.72 × 12,300,320
  4. Step 4: Simplify right side
    30,272,226.56x = 558,052,119,907,430.38
  5. Step 5: Solve for x
    x = 558,052,119,907,430.38/30,272,226.56
  6. Step 6: Final answer
    x = 18,434,459.02

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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.