Home / 12,487,430.80-18,718,704.60-5,744,083.60

Finding the Fourth Proportional to 12,487,430.80, 18,718,704.60 and 5,744,083.60

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Solution

The fourth proportional to 12,487,430.80, 18,718,704.60 and 5,744,083.60 is: 8,610,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,487,430.80 : 18,718,704.60 = 5,744,083.60 : x
  2. Step 2: Convert to fraction form
    12,487,430.80/18,718,704.60 = 5,744,083.60/x
  3. Step 3: Cross multiply
    12,487,430.80x = 18,718,704.60 × 5,744,083.60
  4. Step 4: Simplify right side
    12,487,430.80x = 107,521,804,106,104.56
  5. Step 5: Solve for x
    x = 107,521,804,106,104.56/12,487,430.80
  6. Step 6: Final answer
    x = 8,610,402.40

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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.