Home / 12,986,407.44-19,482,267.96-4,465,637.28

Finding the Fourth Proportional to 12,986,407.44, 19,482,267.96 and 4,465,637.28

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Solution

The fourth proportional to 12,986,407.44, 19,482,267.96 and 4,465,637.28 is: 6,699,369.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,986,407.44 : 19,482,267.96 = 4,465,637.28 : x
  2. Step 2: Convert to fraction form
    12,986,407.44/19,482,267.96 = 4,465,637.28/x
  3. Step 3: Cross multiply
    12,986,407.44x = 19,482,267.96 × 4,465,637.28
  4. Step 4: Simplify right side
    12,986,407.44x = 87,000,742,101,125.56
  5. Step 5: Solve for x
    x = 87,000,742,101,125.56/12,986,407.44
  6. Step 6: Final answer
    x = 6,699,369.51

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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.