Home / 28,297,444.30-39,050,637.05-15,907,429.25

Finding the Fourth Proportional to 28,297,444.30, 39,050,637.05 and 15,907,429.25

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Solution

The fourth proportional to 28,297,444.30, 39,050,637.05 and 15,907,429.25 is: 21,952,344.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297,444.30 : 39,050,637.05 = 15,907,429.25 : x
  2. Step 2: Convert to fraction form
    28,297,444.30/39,050,637.05 = 15,907,429.25/x
  3. Step 3: Cross multiply
    28,297,444.30x = 39,050,637.05 × 15,907,429.25
  4. Step 4: Simplify right side
    28,297,444.30x = 621,195,245,941,779.62
  5. Step 5: Solve for x
    x = 621,195,245,941,779.62/28,297,444.30
  6. Step 6: Final answer
    x = 21,952,344.51

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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.