Home / 30,289,815.12-45,448,910.84-14,928,730.92

Finding the Fourth Proportional to 30,289,815.12, 45,448,910.84 and 14,928,730.92

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Solution

The fourth proportional to 30,289,815.12, 45,448,910.84 and 14,928,730.92 is: 22,400,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289,815.12 : 45,448,910.84 = 14,928,730.92 : x
  2. Step 2: Convert to fraction form
    30,289,815.12/45,448,910.84 = 14,928,730.92/x
  3. Step 3: Cross multiply
    30,289,815.12x = 45,448,910.84 × 14,928,730.92
  4. Step 4: Simplify right side
    30,289,815.12x = 678,494,560,462,787.50
  5. Step 5: Solve for x
    x = 678,494,560,462,787.50/30,289,815.12
  6. Step 6: Final answer
    x = 22,400,089.20

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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.