Home / 30,667,827.04-42,318,332.80-16,916,791.20

Finding the Fourth Proportional to 30,667,827.04, 42,318,332.80 and 16,916,791.20

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Solution

The fourth proportional to 30,667,827.04, 42,318,332.80 and 16,916,791.20 is: 23,343,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,667,827.04 : 42,318,332.80 = 16,916,791.20 : x
  2. Step 2: Convert to fraction form
    30,667,827.04/42,318,332.80 = 16,916,791.20/x
  3. Step 3: Cross multiply
    30,667,827.04x = 42,318,332.80 × 16,916,791.20
  4. Step 4: Simplify right side
    30,667,827.04x = 715,890,399,909,711.25
  5. Step 5: Solve for x
    x = 715,890,399,909,711.25/30,667,827.04
  6. Step 6: Final answer
    x = 23,343,368.90

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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.