Home / 31,028,527.12-42,818,489.04-16,899,392.56

Finding the Fourth Proportional to 31,028,527.12, 42,818,489.04 and 16,899,392.56

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Solution

The fourth proportional to 31,028,527.12, 42,818,489.04 and 16,899,392.56 is: 23,320,683.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,028,527.12 : 42,818,489.04 = 16,899,392.56 : x
  2. Step 2: Convert to fraction form
    31,028,527.12/42,818,489.04 = 16,899,392.56/x
  3. Step 3: Cross multiply
    31,028,527.12x = 42,818,489.04 × 16,899,392.56
  4. Step 4: Simplify right side
    31,028,527.12x = 723,606,455,113,017.50
  5. Step 5: Solve for x
    x = 723,606,455,113,017.50/31,028,527.12
  6. Step 6: Final answer
    x = 23,320,683.33

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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.