Home / 18,680,809.96-28,026,206.94-6,713,649.64

Finding the Fourth Proportional to 18,680,809.96, 28,026,206.94 and 6,713,649.64

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Solution

The fourth proportional to 18,680,809.96, 28,026,206.94 and 6,713,649.64 is: 10,072,268.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,680,809.96 : 28,026,206.94 = 6,713,649.64 : x
  2. Step 2: Convert to fraction form
    18,680,809.96/28,026,206.94 = 6,713,649.64/x
  3. Step 3: Cross multiply
    18,680,809.96x = 28,026,206.94 × 6,713,649.64
  4. Step 4: Simplify right side
    18,680,809.96x = 188,158,134,133,296.50
  5. Step 5: Solve for x
    x = 188,158,134,133,296.50/18,680,809.96
  6. Step 6: Final answer
    x = 10,072,268.52

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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.