Home / 13,326,691.82-19,991,257.65-3,742,005.76

Finding the Fourth Proportional to 13,326,691.82, 19,991,257.65 and 3,742,005.76

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Solution

The fourth proportional to 13,326,691.82, 19,991,257.65 and 3,742,005.76 is: 5,613,351.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326,691.82 : 19,991,257.65 = 3,742,005.76 : x
  2. Step 2: Convert to fraction form
    13,326,691.82/19,991,257.65 = 3,742,005.76/x
  3. Step 3: Cross multiply
    13,326,691.82x = 19,991,257.65 × 3,742,005.76
  4. Step 4: Simplify right side
    13,326,691.82x = 74,807,401,225,965.91
  5. Step 5: Solve for x
    x = 74,807,401,225,965.91/13,326,691.82
  6. Step 6: Final answer
    x = 5,613,351.18

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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.