Home / 13,075,404.54-19,615,944.08-3,977,265.66

Finding the Fourth Proportional to 13,075,404.54, 19,615,944.08 and 3,977,265.66

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Solution

The fourth proportional to 13,075,404.54, 19,615,944.08 and 3,977,265.66 is: 5,966,761.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075,404.54 : 19,615,944.08 = 3,977,265.66 : x
  2. Step 2: Convert to fraction form
    13,075,404.54/19,615,944.08 = 3,977,265.66/x
  3. Step 3: Cross multiply
    13,075,404.54x = 19,615,944.08 × 3,977,265.66
  4. Step 4: Simplify right side
    13,075,404.54x = 78,017,820,777,864.28
  5. Step 5: Solve for x
    x = 78,017,820,777,864.28/13,075,404.54
  6. Step 6: Final answer
    x = 5,966,761.53

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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.