Home / 19,118,477.76-28,681,915.68-5,654,256

Finding the Fourth Proportional to 19,118,477.76, 28,681,915.68 and 5,654,256

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Solution

The fourth proportional to 19,118,477.76, 28,681,915.68 and 5,654,256 is: 8,482,625.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118,477.76 : 28,681,915.68 = 5,654,256 : x
  2. Step 2: Convert to fraction form
    19,118,477.76/28,681,915.68 = 5,654,256/x
  3. Step 3: Cross multiply
    19,118,477.76x = 28,681,915.68 × 5,654,256
  4. Step 4: Simplify right side
    19,118,477.76x = 162,174,893,825,134.09
  5. Step 5: Solve for x
    x = 162,174,893,825,134.09/19,118,477.76
  6. Step 6: Final answer
    x = 8,482,625.86

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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.