Home / 15,852,499.20-23,786,121.60-8,288,006.40

Finding the Fourth Proportional to 15,852,499.20, 23,786,121.60 and 8,288,006.40

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Solution

The fourth proportional to 15,852,499.20, 23,786,121.60 and 8,288,006.40 is: 12,435,864.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,852,499.20 : 23,786,121.60 = 8,288,006.40 : x
  2. Step 2: Convert to fraction form
    15,852,499.20/23,786,121.60 = 8,288,006.40/x
  3. Step 3: Cross multiply
    15,852,499.20x = 23,786,121.60 × 8,288,006.40
  4. Step 4: Simplify right side
    15,852,499.20x = 197,139,528,051,978.25
  5. Step 5: Solve for x
    x = 197,139,528,051,978.25/15,852,499.20
  6. Step 6: Final answer
    x = 12,435,864.25

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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.