Home / 28,315,331.56-39,078,155.80-17,308,524.16

Finding the Fourth Proportional to 28,315,331.56, 39,078,155.80 and 17,308,524.16

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Solution

The fourth proportional to 28,315,331.56, 39,078,155.80 and 17,308,524.16 is: 23,887,596.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,315,331.56 : 39,078,155.80 = 17,308,524.16 : x
  2. Step 2: Convert to fraction form
    28,315,331.56/39,078,155.80 = 17,308,524.16/x
  3. Step 3: Cross multiply
    28,315,331.56x = 39,078,155.80 × 17,308,524.16
  4. Step 4: Simplify right side
    28,315,331.56x = 676,385,203,792,544.12
  5. Step 5: Solve for x
    x = 676,385,203,792,544.12/28,315,331.56
  6. Step 6: Final answer
    x = 23,887,596.10

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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.