Home / 21,902,399.60-32,830,431.75-8,249,638.59

Finding the Fourth Proportional to 21,902,399.60, 32,830,431.75 and 8,249,638.59

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Solution

The fourth proportional to 21,902,399.60, 32,830,431.75 and 8,249,638.59 is: 12,365,731.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,902,399.60 : 32,830,431.75 = 8,249,638.59 : x
  2. Step 2: Convert to fraction form
    21,902,399.60/32,830,431.75 = 8,249,638.59/x
  3. Step 3: Cross multiply
    21,902,399.60x = 32,830,431.75 × 8,249,638.59
  4. Step 4: Simplify right side
    21,902,399.60x = 270,839,196,691,161.22
  5. Step 5: Solve for x
    x = 270,839,196,691,161.22/21,902,399.60
  6. Step 6: Final answer
    x = 12,365,731.69

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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.