Home / 14,079,025.50-19,429,288.47-7,640,497.50

Finding the Fourth Proportional to 14,079,025.50, 19,429,288.47 and 7,640,497.50

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Solution

The fourth proportional to 14,079,025.50, 19,429,288.47 and 7,640,497.50 is: 10,544,013.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079,025.50 : 19,429,288.47 = 7,640,497.50 : x
  2. Step 2: Convert to fraction form
    14,079,025.50/19,429,288.47 = 7,640,497.50/x
  3. Step 3: Cross multiply
    14,079,025.50x = 19,429,288.47 × 7,640,497.50
  4. Step 4: Simplify right side
    14,079,025.50x = 148,449,429,981,813.81
  5. Step 5: Solve for x
    x = 148,449,429,981,813.81/14,079,025.50
  6. Step 6: Final answer
    x = 10,544,013.15

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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.