Home / 42,740,708.82-64,110,164.12-10,392,777.24

Finding the Fourth Proportional to 42,740,708.82, 64,110,164.12 and 10,392,777.24

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Solution

The fourth proportional to 42,740,708.82, 64,110,164.12 and 10,392,777.24 is: 15,588,947.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,740,708.82 : 64,110,164.12 = 10,392,777.24 : x
  2. Step 2: Convert to fraction form
    42,740,708.82/64,110,164.12 = 10,392,777.24/x
  3. Step 3: Cross multiply
    42,740,708.82x = 64,110,164.12 × 10,392,777.24
  4. Step 4: Simplify right side
    42,740,708.82x = 666,282,654,519,000.62
  5. Step 5: Solve for x
    x = 666,282,654,519,000.62/42,740,708.82
  6. Step 6: Final answer
    x = 15,588,947.23

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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.