Home / 45,235,172.76-67,841,548.94-12,887,355.54

Finding the Fourth Proportional to 45,235,172.76, 67,841,548.94 and 12,887,355.54

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Solution

The fourth proportional to 45,235,172.76, 67,841,548.94 and 12,887,355.54 is: 19,327,839.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,235,172.76 : 67,841,548.94 = 12,887,355.54 : x
  2. Step 2: Convert to fraction form
    45,235,172.76/67,841,548.94 = 12,887,355.54/x
  3. Step 3: Cross multiply
    45,235,172.76x = 67,841,548.94 × 12,887,355.54
  4. Step 4: Simplify right side
    45,235,172.76x = 874,298,161,574,090
  5. Step 5: Solve for x
    x = 874,298,161,574,090/45,235,172.76
  6. Step 6: Final answer
    x = 19,327,839.56

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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.