Home / 14,146,339.20-19,521,945.60-7,707,811.20

Finding the Fourth Proportional to 14,146,339.20, 19,521,945.60 and 7,707,811.20

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Solution

The fourth proportional to 14,146,339.20, 19,521,945.60 and 7,707,811.20 is: 10,636,778.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146,339.20 : 19,521,945.60 = 7,707,811.20 : x
  2. Step 2: Convert to fraction form
    14,146,339.20/19,521,945.60 = 7,707,811.20/x
  3. Step 3: Cross multiply
    14,146,339.20x = 19,521,945.60 × 7,707,811.20
  4. Step 4: Simplify right side
    14,146,339.20x = 150,471,470,941,470.75
  5. Step 5: Solve for x
    x = 150,471,470,941,470.75/14,146,339.20
  6. Step 6: Final answer
    x = 10,636,778.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.