Home / 21,060,480.60-31,590,720.90-14,677,939.80

Finding the Fourth Proportional to 21,060,480.60, 31,590,720.90 and 14,677,939.80

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Solution

The fourth proportional to 21,060,480.60, 31,590,720.90 and 14,677,939.80 is: 22,016,909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060,480.60 : 31,590,720.90 = 14,677,939.80 : x
  2. Step 2: Convert to fraction form
    21,060,480.60/31,590,720.90 = 14,677,939.80/x
  3. Step 3: Cross multiply
    21,060,480.60x = 31,590,720.90 × 14,677,939.80
  4. Step 4: Simplify right side
    21,060,480.60x = 463,686,699,608,801.81
  5. Step 5: Solve for x
    x = 463,686,699,608,801.81/21,060,480.60
  6. Step 6: Final answer
    x = 22,016,909.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.