Home / 30,931,076.64-46,402,589.92-11,760,343.12

Finding the Fourth Proportional to 30,931,076.64, 46,402,589.92 and 11,760,343.12

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Solution

The fourth proportional to 30,931,076.64, 46,402,589.92 and 11,760,343.12 is: 17,642,786.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,931,076.64 : 46,402,589.92 = 11,760,343.12 : x
  2. Step 2: Convert to fraction form
    30,931,076.64/46,402,589.92 = 11,760,343.12/x
  3. Step 3: Cross multiply
    30,931,076.64x = 46,402,589.92 × 11,760,343.12
  4. Step 4: Simplify right side
    30,931,076.64x = 545,710,379,115,853.31
  5. Step 5: Solve for x
    x = 545,710,379,115,853.31/30,931,076.64
  6. Step 6: Final answer
    x = 17,642,786.43

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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.