Home / 12,470,909.43-18,706,356.19-9,080,762.14

Finding the Fourth Proportional to 12,470,909.43, 18,706,356.19 and 9,080,762.14

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Solution

The fourth proportional to 12,470,909.43, 18,706,356.19 and 9,080,762.14 is: 13,621,137.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470,909.43 : 18,706,356.19 = 9,080,762.14 : x
  2. Step 2: Convert to fraction form
    12,470,909.43/18,706,356.19 = 9,080,762.14/x
  3. Step 3: Cross multiply
    12,470,909.43x = 18,706,356.19 × 9,080,762.14
  4. Step 4: Simplify right side
    12,470,909.43x = 169,867,971,048,870.09
  5. Step 5: Solve for x
    x = 169,867,971,048,870.09/12,470,909.43
  6. Step 6: Final answer
    x = 13,621,137.41

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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.