Home / 12,742,874.34-19,117,108.74-9,366,846.18

Finding the Fourth Proportional to 12,742,874.34, 19,117,108.74 and 9,366,846.18

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Solution

The fourth proportional to 12,742,874.34, 19,117,108.74 and 9,366,846.18 is: 14,052,325.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,742,874.34 : 19,117,108.74 = 9,366,846.18 : x
  2. Step 2: Convert to fraction form
    12,742,874.34/19,117,108.74 = 9,366,846.18/x
  3. Step 3: Cross multiply
    12,742,874.34x = 19,117,108.74 × 9,366,846.18
  4. Step 4: Simplify right side
    12,742,874.34x = 179,067,016,973,913.59
  5. Step 5: Solve for x
    x = 179,067,016,973,913.59/12,742,874.34
  6. Step 6: Final answer
    x = 14,052,325.42

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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.