Home / 10,431,510.60-15,647,265.90-6,605,135.40

Finding the Fourth Proportional to 10,431,510.60, 15,647,265.90 and 6,605,135.40

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Solution

The fourth proportional to 10,431,510.60, 15,647,265.90 and 6,605,135.40 is: 9,907,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431,510.60 : 15,647,265.90 = 6,605,135.40 : x
  2. Step 2: Convert to fraction form
    10,431,510.60/15,647,265.90 = 6,605,135.40/x
  3. Step 3: Cross multiply
    10,431,510.60x = 15,647,265.90 × 6,605,135.40
  4. Step 4: Simplify right side
    10,431,510.60x = 103,352,309,909,302.88
  5. Step 5: Solve for x
    x = 103,352,309,909,302.88/10,431,510.60
  6. Step 6: Final answer
    x = 9,907,703.10

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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.