Home / 13,576,092.48-18,734,988.96-7,776,751.68

Finding the Fourth Proportional to 13,576,092.48, 18,734,988.96 and 7,776,751.68

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Solution

The fourth proportional to 13,576,092.48, 18,734,988.96 and 7,776,751.68 is: 10,731,906.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576,092.48 : 18,734,988.96 = 7,776,751.68 : x
  2. Step 2: Convert to fraction form
    13,576,092.48/18,734,988.96 = 7,776,751.68/x
  3. Step 3: Cross multiply
    13,576,092.48x = 18,734,988.96 × 7,776,751.68
  4. Step 4: Simplify right side
    13,576,092.48x = 145,697,356,869,461.47
  5. Step 5: Solve for x
    x = 145,697,356,869,461.47/13,576,092.48
  6. Step 6: Final answer
    x = 10,731,906.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.