Home / 30,097,402.12-45,134,550.42-12,814,645.69

Finding the Fourth Proportional to 30,097,402.12, 45,134,550.42 and 12,814,645.69

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Solution

The fourth proportional to 30,097,402.12, 45,134,550.42 and 12,814,645.69 is: 19,217,049.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,097,402.12 : 45,134,550.42 = 12,814,645.69 : x
  2. Step 2: Convert to fraction form
    30,097,402.12/45,134,550.42 = 12,814,645.69/x
  3. Step 3: Cross multiply
    30,097,402.12x = 45,134,550.42 × 12,814,645.69
  4. Step 4: Simplify right side
    30,097,402.12x = 578,383,272,009,740.75
  5. Step 5: Solve for x
    x = 578,383,272,009,740.75/30,097,402.12
  6. Step 6: Final answer
    x = 19,217,049.69

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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.