Home / 31,699,968.39-47,516,768.64-13,266,475.38

Finding the Fourth Proportional to 31,699,968.39, 47,516,768.64 and 13,266,475.38

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Solution

The fourth proportional to 31,699,968.39, 47,516,768.64 and 13,266,475.38 is: 19,885,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,699,968.39 : 47,516,768.64 = 13,266,475.38 : x
  2. Step 2: Convert to fraction form
    31,699,968.39/47,516,768.64 = 13,266,475.38/x
  3. Step 3: Cross multiply
    31,699,968.39x = 47,516,768.64 × 13,266,475.38
  4. Step 4: Simplify right side
    31,699,968.39x = 630,380,041,299,716.12
  5. Step 5: Solve for x
    x = 630,380,041,299,716.12/31,699,968.39
  6. Step 6: Final answer
    x = 19,885,825.55

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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.