Home / 42,855,561-64,300,373.64-13,713,889.68

Finding the Fourth Proportional to 42,855,561, 64,300,373.64 and 13,713,889.68

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Solution

The fourth proportional to 42,855,561, 64,300,373.64 and 13,713,889.68 is: 20,576,284.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,855,561 : 64,300,373.64 = 13,713,889.68 : x
  2. Step 2: Convert to fraction form
    42,855,561/64,300,373.64 = 13,713,889.68/x
  3. Step 3: Cross multiply
    42,855,561x = 64,300,373.64 × 13,713,889.68
  4. Step 4: Simplify right side
    42,855,561x = 881,808,230,481,740
  5. Step 5: Solve for x
    x = 881,808,230,481,740/42,855,561
  6. Step 6: Final answer
    x = 20,576,284.85

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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.