Home / 12,846,121.28-19,272,421.92-9,066,985.28

Finding the Fourth Proportional to 12,846,121.28, 19,272,421.92 and 9,066,985.28

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Solution

The fourth proportional to 12,846,121.28, 19,272,421.92 and 9,066,985.28 is: 13,602,764.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,846,121.28 : 19,272,421.92 = 9,066,985.28 : x
  2. Step 2: Convert to fraction form
    12,846,121.28/19,272,421.92 = 9,066,985.28/x
  3. Step 3: Cross multiply
    12,846,121.28x = 19,272,421.92 × 9,066,985.28
  4. Step 4: Simplify right side
    12,846,121.28x = 174,742,765,858,589.34
  5. Step 5: Solve for x
    x = 174,742,765,858,589.34/12,846,121.28
  6. Step 6: Final answer
    x = 13,602,764.76

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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.