Home / 18,887,908.50-26,065,313.73-10,739,146.50

Finding the Fourth Proportional to 18,887,908.50, 26,065,313.73 and 10,739,146.50

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Solution

The fourth proportional to 18,887,908.50, 26,065,313.73 and 10,739,146.50 is: 14,820,022.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887,908.50 : 26,065,313.73 = 10,739,146.50 : x
  2. Step 2: Convert to fraction form
    18,887,908.50/26,065,313.73 = 10,739,146.50/x
  3. Step 3: Cross multiply
    18,887,908.50x = 26,065,313.73 × 10,739,146.50
  4. Step 4: Simplify right side
    18,887,908.50x = 279,919,222,714,931.44
  5. Step 5: Solve for x
    x = 279,919,222,714,931.44/18,887,908.50
  6. Step 6: Final answer
    x = 14,820,022.17

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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.