Home / 12,097,206.20-18,124,814.10-7,835,180.60

Finding the Fourth Proportional to 12,097,206.20, 18,124,814.10 and 7,835,180.60

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Solution

The fourth proportional to 12,097,206.20, 18,124,814.10 and 7,835,180.60 is: 11,739,172.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,206.20 : 18,124,814.10 = 7,835,180.60 : x
  2. Step 2: Convert to fraction form
    12,097,206.20/18,124,814.10 = 7,835,180.60/x
  3. Step 3: Cross multiply
    12,097,206.20x = 18,124,814.10 × 7,835,180.60
  4. Step 4: Simplify right side
    12,097,206.20x = 142,011,191,814,926.47
  5. Step 5: Solve for x
    x = 142,011,191,814,926.47/12,097,206.20
  6. Step 6: Final answer
    x = 11,739,172.62

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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.