Home / 28,858,038-39,825,344.28-15,980,982

Finding the Fourth Proportional to 28,858,038, 39,825,344.28 and 15,980,982

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Solution

The fourth proportional to 28,858,038, 39,825,344.28 and 15,980,982 is: 22,054,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858,038 : 39,825,344.28 = 15,980,982 : x
  2. Step 2: Convert to fraction form
    28,858,038/39,825,344.28 = 15,980,982/x
  3. Step 3: Cross multiply
    28,858,038x = 39,825,344.28 × 15,980,982
  4. Step 4: Simplify right side
    28,858,038x = 636,448,110,082,483
  5. Step 5: Solve for x
    x = 636,448,110,082,483/28,858,038
  6. Step 6: Final answer
    x = 22,054,448.40

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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.