Home / 15,400,474.80-23,123,421.54-8,590,353.72

Finding the Fourth Proportional to 15,400,474.80, 23,123,421.54 and 8,590,353.72

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Solution

The fourth proportional to 15,400,474.80, 23,123,421.54 and 8,590,353.72 is: 12,898,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400,474.80 : 23,123,421.54 = 8,590,353.72 : x
  2. Step 2: Convert to fraction form
    15,400,474.80/23,123,421.54 = 8,590,353.72/x
  3. Step 3: Cross multiply
    15,400,474.80x = 23,123,421.54 × 8,590,353.72
  4. Step 4: Simplify right side
    15,400,474.80x = 198,638,370,245,267.12
  5. Step 5: Solve for x
    x = 198,638,370,245,267.12/15,400,474.80
  6. Step 6: Final answer
    x = 12,898,197.80

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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.