Home / 28,364,788.80-42,554,786.40-11,337,422.40

Finding the Fourth Proportional to 28,364,788.80, 42,554,786.40 and 11,337,422.40

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Solution

The fourth proportional to 28,364,788.80, 42,554,786.40 and 11,337,422.40 is: 17,009,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,364,788.80 : 42,554,786.40 = 11,337,422.40 : x
  2. Step 2: Convert to fraction form
    28,364,788.80/42,554,786.40 = 11,337,422.40/x
  3. Step 3: Cross multiply
    28,364,788.80x = 42,554,786.40 × 11,337,422.40
  4. Step 4: Simplify right side
    28,364,788.80x = 482,461,588,558,575.38
  5. Step 5: Solve for x
    x = 482,461,588,558,575.38/28,364,788.80
  6. Step 6: Final answer
    x = 17,009,172.60

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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.