Home / 43,155,538.40-64,737,636.96-12,450,878.12

Finding the Fourth Proportional to 43,155,538.40, 64,737,636.96 and 12,450,878.12

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Solution

The fourth proportional to 43,155,538.40, 64,737,636.96 and 12,450,878.12 is: 18,677,566.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,155,538.40 : 64,737,636.96 = 12,450,878.12 : x
  2. Step 2: Convert to fraction form
    43,155,538.40/64,737,636.96 = 12,450,878.12/x
  3. Step 3: Cross multiply
    43,155,538.40x = 64,737,636.96 × 12,450,878.12
  4. Step 4: Simplify right side
    43,155,538.40x = 806,040,427,565,767.25
  5. Step 5: Solve for x
    x = 806,040,427,565,767.25/43,155,538.40
  6. Step 6: Final answer
    x = 18,677,566.25

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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.