Home / 28,711,506.36-43,076,590.74-19,165,688.76

Finding the Fourth Proportional to 28,711,506.36, 43,076,590.74 and 19,165,688.76

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Solution

The fourth proportional to 28,711,506.36, 43,076,590.74 and 19,165,688.76 is: 28,754,761.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,711,506.36 : 43,076,590.74 = 19,165,688.76 : x
  2. Step 2: Convert to fraction form
    28,711,506.36/43,076,590.74 = 19,165,688.76/x
  3. Step 3: Cross multiply
    28,711,506.36x = 43,076,590.74 × 19,165,688.76
  4. Step 4: Simplify right side
    28,711,506.36x = 825,592,530,964,738.25
  5. Step 5: Solve for x
    x = 825,592,530,964,738.25/28,711,506.36
  6. Step 6: Final answer
    x = 28,754,761.96

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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.