Home / 42,967,438.07-64,450,525.60-10,619,343.37

Finding the Fourth Proportional to 42,967,438.07, 64,450,525.60 and 10,619,343.37

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Solution

The fourth proportional to 42,967,438.07, 64,450,525.60 and 10,619,343.37 is: 15,928,858.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,967,438.07 : 64,450,525.60 = 10,619,343.37 : x
  2. Step 2: Convert to fraction form
    42,967,438.07/64,450,525.60 = 10,619,343.37/x
  3. Step 3: Cross multiply
    42,967,438.07x = 64,450,525.60 × 10,619,343.37
  4. Step 4: Simplify right side
    42,967,438.07x = 684,422,261,817,212.62
  5. Step 5: Solve for x
    x = 684,422,261,817,212.62/42,967,438.07
  6. Step 6: Final answer
    x = 15,928,858.98

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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.