Home / 21,592,679.60-32,368,283.40-12,485,428.40

Finding the Fourth Proportional to 21,592,679.60, 32,368,283.40 and 12,485,428.40

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Solution

The fourth proportional to 21,592,679.60, 32,368,283.40 and 12,485,428.40 is: 18,716,152.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,592,679.60 : 32,368,283.40 = 12,485,428.40 : x
  2. Step 2: Convert to fraction form
    21,592,679.60/32,368,283.40 = 12,485,428.40/x
  3. Step 3: Cross multiply
    21,592,679.60x = 32,368,283.40 × 12,485,428.40
  4. Step 4: Simplify right side
    21,592,679.60x = 404,131,884,821,608.56
  5. Step 5: Solve for x
    x = 404,131,884,821,608.56/21,592,679.60
  6. Step 6: Final answer
    x = 18,716,152.53

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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.