Home / 12,928,096.40-19,392,024.60-4,949,920.40

Finding the Fourth Proportional to 12,928,096.40, 19,392,024.60 and 4,949,920.40

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Solution

The fourth proportional to 12,928,096.40, 19,392,024.60 and 4,949,920.40 is: 7,424,834.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,928,096.40 : 19,392,024.60 = 4,949,920.40 : x
  2. Step 2: Convert to fraction form
    12,928,096.40/19,392,024.60 = 4,949,920.40/x
  3. Step 3: Cross multiply
    12,928,096.40x = 19,392,024.60 × 4,949,920.40
  4. Step 4: Simplify right side
    12,928,096.40x = 95,988,978,164,841.86
  5. Step 5: Solve for x
    x = 95,988,978,164,841.86/12,928,096.40
  6. Step 6: Final answer
    x = 7,424,834.65

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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.