Home / 21,877,387.40-32,816,081.10-15,494,846.60

Finding the Fourth Proportional to 21,877,387.40, 32,816,081.10 and 15,494,846.60

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Solution

The fourth proportional to 21,877,387.40, 32,816,081.10 and 15,494,846.60 is: 23,242,269.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,877,387.40 : 32,816,081.10 = 15,494,846.60 : x
  2. Step 2: Convert to fraction form
    21,877,387.40/32,816,081.10 = 15,494,846.60/x
  3. Step 3: Cross multiply
    21,877,387.40x = 32,816,081.10 × 15,494,846.60
  4. Step 4: Simplify right side
    21,877,387.40x = 508,480,142,657,659.25
  5. Step 5: Solve for x
    x = 508,480,142,657,659.25/21,877,387.40
  6. Step 6: Final answer
    x = 23,242,269.90

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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.