Home / 13,742,433.18-18,966,240.32-7,941,214.91

Finding the Fourth Proportional to 13,742,433.18, 18,966,240.32 and 7,941,214.91

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Solution

The fourth proportional to 13,742,433.18, 18,966,240.32 and 7,941,214.91 is: 10,959,848.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742,433.18 : 18,966,240.32 = 7,941,214.91 : x
  2. Step 2: Convert to fraction form
    13,742,433.18/18,966,240.32 = 7,941,214.91/x
  3. Step 3: Cross multiply
    13,742,433.18x = 18,966,240.32 × 7,941,214.91
  4. Step 4: Simplify right side
    13,742,433.18x = 150,614,990,423,536.69
  5. Step 5: Solve for x
    x = 150,614,990,423,536.69/13,742,433.18
  6. Step 6: Final answer
    x = 10,959,848.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.