Home / 13,899,045.41-19,180,649.46-7,619,561.52

Finding the Fourth Proportional to 13,899,045.41, 19,180,649.46 and 7,619,561.52

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Solution

The fourth proportional to 13,899,045.41, 19,180,649.46 and 7,619,561.52 is: 10,514,976.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899,045.41 : 19,180,649.46 = 7,619,561.52 : x
  2. Step 2: Convert to fraction form
    13,899,045.41/19,180,649.46 = 7,619,561.52/x
  3. Step 3: Cross multiply
    13,899,045.41x = 19,180,649.46 × 7,619,561.52
  4. Step 4: Simplify right side
    13,899,045.41x = 146,148,138,554,024.78
  5. Step 5: Solve for x
    x = 146,148,138,554,024.78/13,899,045.41
  6. Step 6: Final answer
    x = 10,514,976.69

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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.