Home / 15,455,436.80-23,187,302.40-13,784,115.20

Finding the Fourth Proportional to 15,455,436.80, 23,187,302.40 and 13,784,115.20

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Solution

The fourth proportional to 15,455,436.80, 23,187,302.40 and 13,784,115.20 is: 20,679,871.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455,436.80 : 23,187,302.40 = 13,784,115.20 : x
  2. Step 2: Convert to fraction form
    15,455,436.80/23,187,302.40 = 13,784,115.20/x
  3. Step 3: Cross multiply
    15,455,436.80x = 23,187,302.40 × 13,784,115.20
  4. Step 4: Simplify right side
    15,455,436.80x = 319,616,447,458,836.44
  5. Step 5: Solve for x
    x = 319,616,447,458,836.44/15,455,436.80
  6. Step 6: Final answer
    x = 20,679,871.53

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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.