Home / 21,124,561.66-31,686,842.94-11,534,708.80

Finding the Fourth Proportional to 21,124,561.66, 31,686,842.94 and 11,534,708.80

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Solution

The fourth proportional to 21,124,561.66, 31,686,842.94 and 11,534,708.80 is: 17,302,063.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,124,561.66 : 31,686,842.94 = 11,534,708.80 : x
  2. Step 2: Convert to fraction form
    21,124,561.66/31,686,842.94 = 11,534,708.80/x
  3. Step 3: Cross multiply
    21,124,561.66x = 31,686,842.94 × 11,534,708.80
  4. Step 4: Simplify right side
    21,124,561.66x = 365,498,506,104,235.94
  5. Step 5: Solve for x
    x = 365,498,506,104,235.94/21,124,561.66
  6. Step 6: Final answer
    x = 17,302,063.45

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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.