Home / 25,998,818.40-38,980,512.90-12,358,499.40

Finding the Fourth Proportional to 25,998,818.40, 38,980,512.90 and 12,358,499.40

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Solution

The fourth proportional to 25,998,818.40, 38,980,512.90 and 12,358,499.40 is: 18,529,328.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,998,818.40 : 38,980,512.90 = 12,358,499.40 : x
  2. Step 2: Convert to fraction form
    25,998,818.40/38,980,512.90 = 12,358,499.40/x
  3. Step 3: Cross multiply
    25,998,818.40x = 38,980,512.90 × 12,358,499.40
  4. Step 4: Simplify right side
    25,998,818.40x = 481,740,645,286,342.25
  5. Step 5: Solve for x
    x = 481,740,645,286,342.25/25,998,818.40
  6. Step 6: Final answer
    x = 18,529,328.44

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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.