Home / 15,303,944.40-21,121,739.32-11,626,810.08

Finding the Fourth Proportional to 15,303,944.40, 21,121,739.32 and 11,626,810.08

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Solution

The fourth proportional to 15,303,944.40, 21,121,739.32 and 11,626,810.08 is: 16,046,742.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,303,944.40 : 21,121,739.32 = 11,626,810.08 : x
  2. Step 2: Convert to fraction form
    15,303,944.40/21,121,739.32 = 11,626,810.08/x
  3. Step 3: Cross multiply
    15,303,944.40x = 21,121,739.32 × 11,626,810.08
  4. Step 4: Simplify right side
    15,303,944.40x = 245,578,451,632,908.34
  5. Step 5: Solve for x
    x = 245,578,451,632,908.34/15,303,944.40
  6. Step 6: Final answer
    x = 16,046,742.28

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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.