Home / 10,818,389.46-14,929,779.67-6,172,930.82

Finding the Fourth Proportional to 10,818,389.46, 14,929,779.67 and 6,172,930.82

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Solution

The fourth proportional to 10,818,389.46, 14,929,779.67 and 6,172,930.82 is: 8,518,874.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818,389.46 : 14,929,779.67 = 6,172,930.82 : x
  2. Step 2: Convert to fraction form
    10,818,389.46/14,929,779.67 = 6,172,930.82/x
  3. Step 3: Cross multiply
    10,818,389.46x = 14,929,779.67 × 6,172,930.82
  4. Step 4: Simplify right side
    10,818,389.46x = 92,160,497,082,644.55
  5. Step 5: Solve for x
    x = 92,160,497,082,644.55/10,818,389.46
  6. Step 6: Final answer
    x = 8,518,874.03

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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.