Home / 31,045,216.32-42,840,468.15-17,105,791.35

Finding the Fourth Proportional to 31,045,216.32, 42,840,468.15 and 17,105,791.35

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Solution

The fourth proportional to 31,045,216.32, 42,840,468.15 and 17,105,791.35 is: 23,604,928.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,045,216.32 : 42,840,468.15 = 17,105,791.35 : x
  2. Step 2: Convert to fraction form
    31,045,216.32/42,840,468.15 = 17,105,791.35/x
  3. Step 3: Cross multiply
    31,045,216.32x = 42,840,468.15 × 17,105,791.35
  4. Step 4: Simplify right side
    31,045,216.32x = 732,820,109,692,254.50
  5. Step 5: Solve for x
    x = 732,820,109,692,254.50/31,045,216.32
  6. Step 6: Final answer
    x = 23,604,928.45

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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.