Home / 15,455,442.80-23,187,311.40-13,784,121.20

Finding the Fourth Proportional to 15,455,442.80, 23,187,311.40 and 13,784,121.20

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Solution

The fourth proportional to 15,455,442.80, 23,187,311.40 and 13,784,121.20 is: 20,679,880.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455,442.80 : 23,187,311.40 = 13,784,121.20 : x
  2. Step 2: Convert to fraction form
    15,455,442.80/23,187,311.40 = 13,784,121.20/x
  3. Step 3: Cross multiply
    15,455,442.80x = 23,187,311.40 × 13,784,121.20
  4. Step 4: Simplify right side
    15,455,442.80x = 319,616,710,639,741.62
  5. Step 5: Solve for x
    x = 319,616,710,639,741.62/15,455,442.80
  6. Step 6: Final answer
    x = 20,679,880.53

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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.