Home / 28,939,225.52-43,386,103.92-19,813,718.88

Finding the Fourth Proportional to 28,939,225.52, 43,386,103.92 and 19,813,718.88

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Solution

The fourth proportional to 28,939,225.52, 43,386,103.92 and 19,813,718.88 is: 29,705,012.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,939,225.52 : 43,386,103.92 = 19,813,718.88 : x
  2. Step 2: Convert to fraction form
    28,939,225.52/43,386,103.92 = 19,813,718.88/x
  3. Step 3: Cross multiply
    28,939,225.52x = 43,386,103.92 × 19,813,718.88
  4. Step 4: Simplify right side
    28,939,225.52x = 859,640,066,369,346
  5. Step 5: Solve for x
    x = 859,640,066,369,346/28,939,225.52
  6. Step 6: Final answer
    x = 29,705,012.86

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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.