Home / 28,248,451.44-38,979,696.60-16,645,259.76

Finding the Fourth Proportional to 28,248,451.44, 38,979,696.60 and 16,645,259.76

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Solution

The fourth proportional to 28,248,451.44, 38,979,696.60 and 16,645,259.76 is: 22,968,592.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248,451.44 : 38,979,696.60 = 16,645,259.76 : x
  2. Step 2: Convert to fraction form
    28,248,451.44/38,979,696.60 = 16,645,259.76/x
  3. Step 3: Cross multiply
    28,248,451.44x = 38,979,696.60 × 16,645,259.76
  4. Step 4: Simplify right side
    28,248,451.44x = 648,827,175,272,988.88
  5. Step 5: Solve for x
    x = 648,827,175,272,988.88/28,248,451.44
  6. Step 6: Final answer
    x = 22,968,592.69

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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.