Home / 14,580,011.80-21,870,017.70-8,190,472.60

Finding the Fourth Proportional to 14,580,011.80, 21,870,017.70 and 8,190,472.60

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Solution

The fourth proportional to 14,580,011.80, 21,870,017.70 and 8,190,472.60 is: 12,285,708.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580,011.80 : 21,870,017.70 = 8,190,472.60 : x
  2. Step 2: Convert to fraction form
    14,580,011.80/21,870,017.70 = 8,190,472.60/x
  3. Step 3: Cross multiply
    14,580,011.80x = 21,870,017.70 × 8,190,472.60
  4. Step 4: Simplify right side
    14,580,011.80x = 179,125,780,733,365
  5. Step 5: Solve for x
    x = 179,125,780,733,365/14,580,011.80
  6. Step 6: Final answer
    x = 12,285,708.90

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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.