Home / 18,462,330.60-27,698,615.10-7,684,708.20

Finding the Fourth Proportional to 18,462,330.60, 27,698,615.10 and 7,684,708.20

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Solution

The fourth proportional to 18,462,330.60, 27,698,615.10 and 7,684,708.20 is: 11,529,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,462,330.60 : 27,698,615.10 = 7,684,708.20 : x
  2. Step 2: Convert to fraction form
    18,462,330.60/27,698,615.10 = 7,684,708.20/x
  3. Step 3: Cross multiply
    18,462,330.60x = 27,698,615.10 × 7,684,708.20
  4. Step 4: Simplify right side
    18,462,330.60x = 212,855,774,587,613.84
  5. Step 5: Solve for x
    x = 212,855,774,587,613.84/18,462,330.60
  6. Step 6: Final answer
    x = 11,529,193.10

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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.