Home / 11,125,574.20-16,669,007.70-5,129,644.60

Finding the Fourth Proportional to 11,125,574.20, 16,669,007.70 and 5,129,644.60

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Solution

The fourth proportional to 11,125,574.20, 16,669,007.70 and 5,129,644.60 is: 7,685,543.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125,574.20 : 16,669,007.70 = 5,129,644.60 : x
  2. Step 2: Convert to fraction form
    11,125,574.20/16,669,007.70 = 5,129,644.60/x
  3. Step 3: Cross multiply
    11,125,574.20x = 16,669,007.70 × 5,129,644.60
  4. Step 4: Simplify right side
    11,125,574.20x = 85,506,085,335,663.41
  5. Step 5: Solve for x
    x = 85,506,085,335,663.41/11,125,574.20
  6. Step 6: Final answer
    x = 7,685,543.58

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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.