Home / 14,668,026.82-20,240,895.45-8,870,005.78

Finding the Fourth Proportional to 14,668,026.82, 20,240,895.45 and 8,870,005.78

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Solution

The fourth proportional to 14,668,026.82, 20,240,895.45 and 8,870,005.78 is: 12,240,014.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,668,026.82 : 20,240,895.45 = 8,870,005.78 : x
  2. Step 2: Convert to fraction form
    14,668,026.82/20,240,895.45 = 8,870,005.78/x
  3. Step 3: Cross multiply
    14,668,026.82x = 20,240,895.45 × 8,870,005.78
  4. Step 4: Simplify right side
    14,668,026.82x = 179,536,859,633,875.69
  5. Step 5: Solve for x
    x = 179,536,859,633,875.69/14,668,026.82
  6. Step 6: Final answer
    x = 12,240,014.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.