Home / 30,482,933.68-42,066,489.08-16,544,288.79

Finding the Fourth Proportional to 30,482,933.68, 42,066,489.08 and 16,544,288.79

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Solution

The fourth proportional to 30,482,933.68, 42,066,489.08 and 16,544,288.79 is: 22,831,140.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,482,933.68 : 42,066,489.08 = 16,544,288.79 : x
  2. Step 2: Convert to fraction form
    30,482,933.68/42,066,489.08 = 16,544,288.79/x
  3. Step 3: Cross multiply
    30,482,933.68x = 42,066,489.08 × 16,544,288.79
  4. Step 4: Simplify right side
    30,482,933.68x = 695,960,143,762,262.12
  5. Step 5: Solve for x
    x = 695,960,143,762,262.12/30,482,933.68
  6. Step 6: Final answer
    x = 22,831,140.57

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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.