Home / 12,178,269.97-16,806,011.11-7,283,491.31

Finding the Fourth Proportional to 12,178,269.97, 16,806,011.11 and 7,283,491.31

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Solution

The fourth proportional to 12,178,269.97, 16,806,011.11 and 7,283,491.31 is: 10,051,217.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178,269.97 : 16,806,011.11 = 7,283,491.31 : x
  2. Step 2: Convert to fraction form
    12,178,269.97/16,806,011.11 = 7,283,491.31/x
  3. Step 3: Cross multiply
    12,178,269.97x = 16,806,011.11 × 7,283,491.31
  4. Step 4: Simplify right side
    12,178,269.97x = 122,406,435,899,254.77
  5. Step 5: Solve for x
    x = 122,406,435,899,254.77/12,178,269.97
  6. Step 6: Final answer
    x = 10,051,217.15

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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.