Home / 30,214,479.12-45,335,115.54-15,834,127.92

Finding the Fourth Proportional to 30,214,479.12, 45,335,115.54 and 15,834,127.92

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Solution

The fourth proportional to 30,214,479.12, 45,335,115.54 and 15,834,127.92 is: 23,758,212.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,214,479.12 : 45,335,115.54 = 15,834,127.92 : x
  2. Step 2: Convert to fraction form
    30,214,479.12/45,335,115.54 = 15,834,127.92/x
  3. Step 3: Cross multiply
    30,214,479.12x = 45,335,115.54 × 15,834,127.92
  4. Step 4: Simplify right side
    30,214,479.12x = 717,842,018,728,339.88
  5. Step 5: Solve for x
    x = 717,842,018,728,339.88/30,214,479.12
  6. Step 6: Final answer
    x = 23,758,212.61

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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.