Home / 21,850,225.20-32,779,274.40-9,072,021.60

Finding the Fourth Proportional to 21,850,225.20, 32,779,274.40 and 9,072,021.60

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Solution

The fourth proportional to 21,850,225.20, 32,779,274.40 and 9,072,021.60 is: 13,609,666.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,850,225.20 : 32,779,274.40 = 9,072,021.60 : x
  2. Step 2: Convert to fraction form
    21,850,225.20/32,779,274.40 = 9,072,021.60/x
  3. Step 3: Cross multiply
    21,850,225.20x = 32,779,274.40 × 9,072,021.60
  4. Step 4: Simplify right side
    21,850,225.20x = 297,374,285,389,127
  5. Step 5: Solve for x
    x = 297,374,285,389,127/21,850,225.20
  6. Step 6: Final answer
    x = 13,609,666.84

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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.