Home / 30,345,801-41,880,450.72-18,592,869.16

Finding the Fourth Proportional to 30,345,801, 41,880,450.72 and 18,592,869.16

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Solution

The fourth proportional to 30,345,801, 41,880,450.72 and 18,592,869.16 is: 25,660,147.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,345,801 : 41,880,450.72 = 18,592,869.16 : x
  2. Step 2: Convert to fraction form
    30,345,801/41,880,450.72 = 18,592,869.16/x
  3. Step 3: Cross multiply
    30,345,801x = 41,880,450.72 × 18,592,869.16
  4. Step 4: Simplify right side
    30,345,801x = 778,677,740,598,787.75
  5. Step 5: Solve for x
    x = 778,677,740,598,787.75/30,345,801
  6. Step 6: Final answer
    x = 25,660,147.86

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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.