Home / 43,368,776.68-65,073,030.78-18,784,222.72

Finding the Fourth Proportional to 43,368,776.68, 65,073,030.78 and 18,784,222.72

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Solution

The fourth proportional to 43,368,776.68, 65,073,030.78 and 18,784,222.72 is: 28,184,938.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,368,776.68 : 65,073,030.78 = 18,784,222.72 : x
  2. Step 2: Convert to fraction form
    43,368,776.68/65,073,030.78 = 18,784,222.72/x
  3. Step 3: Cross multiply
    43,368,776.68x = 65,073,030.78 × 18,784,222.72
  4. Step 4: Simplify right side
    43,368,776.68x = 1,222,346,303,236,935.25
  5. Step 5: Solve for x
    x = 1,222,346,303,236,935.25/43,368,776.68
  6. Step 6: Final answer
    x = 28,184,938.49

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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.