Home / 20,672,257.54-31,014,903.84-9,742,005.76

Finding the Fourth Proportional to 20,672,257.54, 31,014,903.84 and 9,742,005.76

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Solution

The fourth proportional to 20,672,257.54, 31,014,903.84 and 9,742,005.76 is: 14,616,080.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672,257.54 : 31,014,903.84 = 9,742,005.76 : x
  2. Step 2: Convert to fraction form
    20,672,257.54/31,014,903.84 = 9,742,005.76/x
  3. Step 3: Cross multiply
    20,672,257.54x = 31,014,903.84 × 9,742,005.76
  4. Step 4: Simplify right side
    20,672,257.54x = 302,147,371,855,126.12
  5. Step 5: Solve for x
    x = 302,147,371,855,126.12/20,672,257.54
  6. Step 6: Final answer
    x = 14,616,080.09

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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.