Home / 12,093,123.81-16,688,511.17-6,660,615.81

Finding the Fourth Proportional to 12,093,123.81, 16,688,511.17 and 6,660,615.81

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Solution

The fourth proportional to 12,093,123.81, 16,688,511.17 and 6,660,615.81 is: 9,191,649.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,093,123.81 : 16,688,511.17 = 6,660,615.81 : x
  2. Step 2: Convert to fraction form
    12,093,123.81/16,688,511.17 = 6,660,615.81/x
  3. Step 3: Cross multiply
    12,093,123.81x = 16,688,511.17 × 6,660,615.81
  4. Step 4: Simplify right side
    12,093,123.81x = 111,155,761,344,263.59
  5. Step 5: Solve for x
    x = 111,155,761,344,263.59/12,093,123.81
  6. Step 6: Final answer
    x = 9,191,649.99

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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.