Home / 20,996,848.75-31,507,673.43-8,865,526.96

Finding the Fourth Proportional to 20,996,848.75, 31,507,673.43 and 8,865,526.96

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Solution

The fourth proportional to 20,996,848.75, 31,507,673.43 and 8,865,526.96 is: 13,303,526.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,996,848.75 : 31,507,673.43 = 8,865,526.96 : x
  2. Step 2: Convert to fraction form
    20,996,848.75/31,507,673.43 = 8,865,526.96/x
  3. Step 3: Cross multiply
    20,996,848.75x = 31,507,673.43 × 8,865,526.96
  4. Step 4: Simplify right side
    20,996,848.75x = 279,332,128,240,540.69
  5. Step 5: Solve for x
    x = 279,332,128,240,540.69/20,996,848.75
  6. Step 6: Final answer
    x = 13,303,526.24

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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.