Home / 28,446,047.70-39,255,649.02-15,393,305.16

Finding the Fourth Proportional to 28,446,047.70, 39,255,649.02 and 15,393,305.16

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Solution

The fourth proportional to 28,446,047.70, 39,255,649.02 and 15,393,305.16 is: 21,242,816.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446,047.70 : 39,255,649.02 = 15,393,305.16 : x
  2. Step 2: Convert to fraction form
    28,446,047.70/39,255,649.02 = 15,393,305.16/x
  3. Step 3: Cross multiply
    28,446,047.70x = 39,255,649.02 × 15,393,305.16
  4. Step 4: Simplify right side
    28,446,047.70x = 604,274,184,618,715
  5. Step 5: Solve for x
    x = 604,274,184,618,715/28,446,047.70
  6. Step 6: Final answer
    x = 21,242,816.96

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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.