Home / 14,666,866.79-20,238,634.58-8,140,771.31

Finding the Fourth Proportional to 14,666,866.79, 20,238,634.58 and 8,140,771.31

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Solution

The fourth proportional to 14,666,866.79, 20,238,634.58 and 8,140,771.31 is: 11,233,353.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666,866.79 : 20,238,634.58 = 8,140,771.31 : x
  2. Step 2: Convert to fraction form
    14,666,866.79/20,238,634.58 = 8,140,771.31/x
  3. Step 3: Cross multiply
    14,666,866.79x = 20,238,634.58 × 8,140,771.31
  4. Step 4: Simplify right side
    14,666,866.79x = 164,758,095,600,540.84
  5. Step 5: Solve for x
    x = 164,758,095,600,540.84/14,666,866.79
  6. Step 6: Final answer
    x = 11,233,353.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.