Home / 10,749,305.09-16,123,857.84-4,358,038.16

Finding the Fourth Proportional to 10,749,305.09, 16,123,857.84 and 4,358,038.16

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Solution

The fourth proportional to 10,749,305.09, 16,123,857.84 and 4,358,038.16 is: 6,537,016.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749,305.09 : 16,123,857.84 = 4,358,038.16 : x
  2. Step 2: Convert to fraction form
    10,749,305.09/16,123,857.84 = 4,358,038.16/x
  3. Step 3: Cross multiply
    10,749,305.09x = 16,123,857.84 × 4,358,038.16
  4. Step 4: Simplify right side
    10,749,305.09x = 70,268,387,672,515.89
  5. Step 5: Solve for x
    x = 70,268,387,672,515.89/10,749,305.09
  6. Step 6: Final answer
    x = 6,537,016.78

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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.