Home / 28,758,537.40-43,137,806.10-13,641,993.40

Finding the Fourth Proportional to 28,758,537.40, 43,137,806.10 and 13,641,993.40

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Solution

The fourth proportional to 28,758,537.40, 43,137,806.10 and 13,641,993.40 is: 20,462,990.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,758,537.40 : 43,137,806.10 = 13,641,993.40 : x
  2. Step 2: Convert to fraction form
    28,758,537.40/43,137,806.10 = 13,641,993.40/x
  3. Step 3: Cross multiply
    28,758,537.40x = 43,137,806.10 × 13,641,993.40
  4. Step 4: Simplify right side
    28,758,537.40x = 588,485,666,106,679.75
  5. Step 5: Solve for x
    x = 588,485,666,106,679.75/28,758,537.40
  6. Step 6: Final answer
    x = 20,462,990.10

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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.