Home / 12,294,446.10-18,442,564.20-4,721,411.85

Finding the Fourth Proportional to 12,294,446.10, 18,442,564.20 and 4,721,411.85

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Solution

The fourth proportional to 12,294,446.10, 18,442,564.20 and 4,721,411.85 is: 7,082,461.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294,446.10 : 18,442,564.20 = 4,721,411.85 : x
  2. Step 2: Convert to fraction form
    12,294,446.10/18,442,564.20 = 4,721,411.85/x
  3. Step 3: Cross multiply
    12,294,446.10x = 18,442,564.20 × 4,721,411.85
  4. Step 4: Simplify right side
    12,294,446.10x = 87,074,941,158,265.77
  5. Step 5: Solve for x
    x = 87,074,941,158,265.77/12,294,446.10
  6. Step 6: Final answer
    x = 7,082,461.50

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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.