Home / 11,856,663.12-16,362,205.88-6,424,155.12

Finding the Fourth Proportional to 11,856,663.12, 16,362,205.88 and 6,424,155.12

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Solution

The fourth proportional to 11,856,663.12, 16,362,205.88 and 6,424,155.12 is: 8,865,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856,663.12 : 16,362,205.88 = 6,424,155.12 : x
  2. Step 2: Convert to fraction form
    11,856,663.12/16,362,205.88 = 6,424,155.12/x
  3. Step 3: Cross multiply
    11,856,663.12x = 16,362,205.88 × 6,424,155.12
  4. Step 4: Simplify right side
    11,856,663.12x = 105,113,348,678,496.11
  5. Step 5: Solve for x
    x = 105,113,348,678,496.11/11,856,663.12
  6. Step 6: Final answer
    x = 8,865,339.90

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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.