Home / 28,973,107.26-39,982,756.98-15,920,328.24

Finding the Fourth Proportional to 28,973,107.26, 39,982,756.98 and 15,920,328.24

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Solution

The fourth proportional to 28,973,107.26, 39,982,756.98 and 15,920,328.24 is: 21,969,980.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973,107.26 : 39,982,756.98 = 15,920,328.24 : x
  2. Step 2: Convert to fraction form
    28,973,107.26/39,982,756.98 = 15,920,328.24/x
  3. Step 3: Cross multiply
    28,973,107.26x = 39,982,756.98 × 15,920,328.24
  4. Step 4: Simplify right side
    28,973,107.26x = 636,538,615,061,751.12
  5. Step 5: Solve for x
    x = 636,538,615,061,751.12/28,973,107.26
  6. Step 6: Final answer
    x = 21,969,980.97

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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.