Home / 18,683,556.60-28,025,334.90-17,487,814.35

Finding the Fourth Proportional to 18,683,556.60, 28,025,334.90 and 17,487,814.35

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Solution

The fourth proportional to 18,683,556.60, 28,025,334.90 and 17,487,814.35 is: 26,231,721.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,556.60 : 28,025,334.90 = 17,487,814.35 : x
  2. Step 2: Convert to fraction form
    18,683,556.60/28,025,334.90 = 17,487,814.35/x
  3. Step 3: Cross multiply
    18,683,556.60x = 28,025,334.90 × 17,487,814.35
  4. Step 4: Simplify right side
    18,683,556.60x = 490,101,853,827,775.81
  5. Step 5: Solve for x
    x = 490,101,853,827,775.81/18,683,556.60
  6. Step 6: Final answer
    x = 26,231,721.53

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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.