Home / 10,403,802.80-15,605,704.20-9,396,033.20

Finding the Fourth Proportional to 10,403,802.80, 15,605,704.20 and 9,396,033.20

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Solution

The fourth proportional to 10,403,802.80, 15,605,704.20 and 9,396,033.20 is: 14,094,049.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403,802.80 : 15,605,704.20 = 9,396,033.20 : x
  2. Step 2: Convert to fraction form
    10,403,802.80/15,605,704.20 = 9,396,033.20/x
  3. Step 3: Cross multiply
    10,403,802.80x = 15,605,704.20 × 9,396,033.20
  4. Step 4: Simplify right side
    10,403,802.80x = 146,631,714,772,579.41
  5. Step 5: Solve for x
    x = 146,631,714,772,579.41/10,403,802.80
  6. Step 6: Final answer
    x = 14,094,049.80

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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.