Home / 19,142,815-28,714,222.52-5,679,643

Finding the Fourth Proportional to 19,142,815, 28,714,222.52 and 5,679,643

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Solution

The fourth proportional to 19,142,815, 28,714,222.52 and 5,679,643 is: 8,519,464.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142,815 : 28,714,222.52 = 5,679,643 : x
  2. Step 2: Convert to fraction form
    19,142,815/28,714,222.52 = 5,679,643/x
  3. Step 3: Cross multiply
    19,142,815x = 28,714,222.52 × 5,679,643
  4. Step 4: Simplify right side
    19,142,815x = 163,086,532,936,160.34
  5. Step 5: Solve for x
    x = 163,086,532,936,160.34/19,142,815
  6. Step 6: Final answer
    x = 8,519,464.51

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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.