Home / 15,673,889.60-23,510,834.40-12,445,385.53

Finding the Fourth Proportional to 15,673,889.60, 23,510,834.40 and 12,445,385.53

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Solution

The fourth proportional to 15,673,889.60, 23,510,834.40 and 12,445,385.53 is: 18,668,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,673,889.60 : 23,510,834.40 = 12,445,385.53 : x
  2. Step 2: Convert to fraction form
    15,673,889.60/23,510,834.40 = 12,445,385.53/x
  3. Step 3: Cross multiply
    15,673,889.60x = 23,510,834.40 × 12,445,385.53
  4. Step 4: Simplify right side
    15,673,889.60x = 292,601,398,239,986.19
  5. Step 5: Solve for x
    x = 292,601,398,239,986.19/15,673,889.60
  6. Step 6: Final answer
    x = 18,668,078.30

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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.