Home / 20,662,525.04-28,553,611.28-15,496,918.52

Finding the Fourth Proportional to 20,662,525.04, 28,553,611.28 and 15,496,918.52

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Solution

The fourth proportional to 20,662,525.04, 28,553,611.28 and 15,496,918.52 is: 21,415,242.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,662,525.04 : 28,553,611.28 = 15,496,918.52 : x
  2. Step 2: Convert to fraction form
    20,662,525.04/28,553,611.28 = 15,496,918.52/x
  3. Step 3: Cross multiply
    20,662,525.04x = 28,553,611.28 × 15,496,918.52
  4. Step 4: Simplify right side
    20,662,525.04x = 442,492,987,237,660.25
  5. Step 5: Solve for x
    x = 442,492,987,237,660.25/20,662,525.04
  6. Step 6: Final answer
    x = 21,415,242.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.