Home / 15,550,629.12-21,457,210.32-9,022,762.08

Finding the Fourth Proportional to 15,550,629.12, 21,457,210.32 and 9,022,762.08

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Solution

The fourth proportional to 15,550,629.12, 21,457,210.32 and 9,022,762.08 is: 12,449,869.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550,629.12 : 21,457,210.32 = 9,022,762.08 : x
  2. Step 2: Convert to fraction form
    15,550,629.12/21,457,210.32 = 9,022,762.08/x
  3. Step 3: Cross multiply
    15,550,629.12x = 21,457,210.32 × 9,022,762.08
  4. Step 4: Simplify right side
    15,550,629.12x = 193,603,303,617,880.66
  5. Step 5: Solve for x
    x = 193,603,303,617,880.66/15,550,629.12
  6. Step 6: Final answer
    x = 12,449,869.53

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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.