Home / 29,542,281.88-40,789,943.94-19,094,479.78

Finding the Fourth Proportional to 29,542,281.88, 40,789,943.94 and 19,094,479.78

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Solution

The fourth proportional to 29,542,281.88, 40,789,943.94 and 19,094,479.78 is: 26,364,339.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,542,281.88 : 40,789,943.94 = 19,094,479.78 : x
  2. Step 2: Convert to fraction form
    29,542,281.88/40,789,943.94 = 19,094,479.78/x
  3. Step 3: Cross multiply
    29,542,281.88x = 40,789,943.94 × 19,094,479.78
  4. Step 4: Simplify right side
    29,542,281.88x = 778,862,759,789,663.50
  5. Step 5: Solve for x
    x = 778,862,759,789,663.50/29,542,281.88
  6. Step 6: Final answer
    x = 26,364,339.86

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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.