Home / 18,506,502.68-27,765,561.32-11,129,041.32

Finding the Fourth Proportional to 18,506,502.68, 27,765,561.32 and 11,129,041.32

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Solution

The fourth proportional to 18,506,502.68, 27,765,561.32 and 11,129,041.32 is: 16,697,054.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506,502.68 : 27,765,561.32 = 11,129,041.32 : x
  2. Step 2: Convert to fraction form
    18,506,502.68/27,765,561.32 = 11,129,041.32/x
  3. Step 3: Cross multiply
    18,506,502.68x = 27,765,561.32 × 11,129,041.32
  4. Step 4: Simplify right side
    18,506,502.68x = 309,004,079,203,273.75
  5. Step 5: Solve for x
    x = 309,004,079,203,273.75/18,506,502.68
  6. Step 6: Final answer
    x = 16,697,054.25

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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.