Home / 15,553,276.80-23,329,915.20-13,285,795.20

Finding the Fourth Proportional to 15,553,276.80, 23,329,915.20 and 13,285,795.20

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Solution

The fourth proportional to 15,553,276.80, 23,329,915.20 and 13,285,795.20 is: 19,928,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553,276.80 : 23,329,915.20 = 13,285,795.20 : x
  2. Step 2: Convert to fraction form
    15,553,276.80/23,329,915.20 = 13,285,795.20/x
  3. Step 3: Cross multiply
    15,553,276.80x = 23,329,915.20 × 13,285,795.20
  4. Step 4: Simplify right side
    15,553,276.80x = 309,956,475,380,567
  5. Step 5: Solve for x
    x = 309,956,475,380,567/15,553,276.80
  6. Step 6: Final answer
    x = 19,928,692.80

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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.