Home / 12,147,929.70-18,221,913.22-4,864,669.30

Finding the Fourth Proportional to 12,147,929.70, 18,221,913.22 and 4,864,669.30

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Solution

The fourth proportional to 12,147,929.70, 18,221,913.22 and 4,864,669.30 is: 7,297,011.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,147,929.70 : 18,221,913.22 = 4,864,669.30 : x
  2. Step 2: Convert to fraction form
    12,147,929.70/18,221,913.22 = 4,864,669.30/x
  3. Step 3: Cross multiply
    12,147,929.70x = 18,221,913.22 × 4,864,669.30
  4. Step 4: Simplify right side
    12,147,929.70x = 88,643,581,828,598.14
  5. Step 5: Solve for x
    x = 88,643,581,828,598.14/12,147,929.70
  6. Step 6: Final answer
    x = 7,297,011.43

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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.