Home / 11,618,020.37-16,032,779.57-6,390,916.25

Finding the Fourth Proportional to 11,618,020.37, 16,032,779.57 and 6,390,916.25

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Solution

The fourth proportional to 11,618,020.37, 16,032,779.57 and 6,390,916.25 is: 8,819,415.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,618,020.37 : 16,032,779.57 = 6,390,916.25 : x
  2. Step 2: Convert to fraction form
    11,618,020.37/16,032,779.57 = 6,390,916.25/x
  3. Step 3: Cross multiply
    11,618,020.37x = 16,032,779.57 × 6,390,916.25
  4. Step 4: Simplify right side
    11,618,020.37x = 102,464,151,374,462.53
  5. Step 5: Solve for x
    x = 102,464,151,374,462.53/11,618,020.37
  6. Step 6: Final answer
    x = 8,819,415.71

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Double scale
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1.5x scale

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.