Home / 20,672,258.54-31,014,905.34-9,742,006.76

Finding the Fourth Proportional to 20,672,258.54, 31,014,905.34 and 9,742,006.76

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Solution

The fourth proportional to 20,672,258.54, 31,014,905.34 and 9,742,006.76 is: 14,616,081.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672,258.54 : 31,014,905.34 = 9,742,006.76 : x
  2. Step 2: Convert to fraction form
    20,672,258.54/31,014,905.34 = 9,742,006.76/x
  3. Step 3: Cross multiply
    20,672,258.54x = 31,014,905.34 × 9,742,006.76
  4. Step 4: Simplify right side
    20,672,258.54x = 302,147,417,483,040.06
  5. Step 5: Solve for x
    x = 302,147,417,483,040.06/20,672,258.54
  6. Step 6: Final answer
    x = 14,616,081.59

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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.