Home / 14,138,630.60-21,209,606.80-5,042,021.58

Finding the Fourth Proportional to 14,138,630.60, 21,209,606.80 and 5,042,021.58

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Solution

The fourth proportional to 14,138,630.60, 21,209,606.80 and 5,042,021.58 is: 7,563,624.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,138,630.60 : 21,209,606.80 = 5,042,021.58 : x
  2. Step 2: Convert to fraction form
    14,138,630.60/21,209,606.80 = 5,042,021.58/x
  3. Step 3: Cross multiply
    14,138,630.60x = 21,209,606.80 × 5,042,021.58
  4. Step 4: Simplify right side
    14,138,630.60x = 106,939,295,176,309.69
  5. Step 5: Solve for x
    x = 106,939,295,176,309.69/14,138,630.60
  6. Step 6: Final answer
    x = 7,563,624.67

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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.