Home / 28,297,448.15-39,050,642.36-15,907,433.10

Finding the Fourth Proportional to 28,297,448.15, 39,050,642.36 and 15,907,433.10

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Solution

The fourth proportional to 28,297,448.15, 39,050,642.36 and 15,907,433.10 is: 21,952,349.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297,448.15 : 39,050,642.36 = 15,907,433.10 : x
  2. Step 2: Convert to fraction form
    28,297,448.15/39,050,642.36 = 15,907,433.10/x
  3. Step 3: Cross multiply
    28,297,448.15x = 39,050,642.36 × 15,907,433.10
  4. Step 4: Simplify right side
    28,297,448.15x = 621,195,480,774,188.88
  5. Step 5: Solve for x
    x = 621,195,480,774,188.88/28,297,448.15
  6. Step 6: Final answer
    x = 21,952,349.82

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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.